1. Scientific American, edição especial de 2008 intitulada “Majestic Universe”, p. 11.

2. Perfect Planet, Clever Species—How Unique Are We?, de William C. Burger, 2003, pp. 24, 34.

3. Rare Earth—Why Complex Life Is Uncommon in the Universe, de Peter D. Ward e Donald Brownlee, 2000, p. 224.

4. The Sacred Balance—Rediscovering Our Place in Nature, de David Suzuki, 2007, p. 102.

5. God and the New Cosmology—The Anthropic Design Argument, de M. A. Corey, 1993, pp. 144-145.

6. Wildlife in a Changing World—An Analysis of the 2008 IUCN Red List of Threatened Species, editado por Jean-Christophe Vié, Craig Hilton-Taylor e Simon N. Stuart, 2009, p. 6.

7. Journal of Industrial Microbiology, “Total Bacterial Diversity in Soil and Sediment Communities—A Review”, de V. Torsvik, R. Sørheim e J. Goksøyr, Volume 17, 1996, pp. 170-178.

8. Science, “Environmental Genomics Reveals a Single-Species Ecosystem Deep Within Earth”, de Dylan Chivian, et al, Volume 322, 10 de outubro de 2008, pp. 275-278.

9. Scientific American, “Microbe Census Reveals Air Crawling With Bacteria”, de David Biello, http://www.scientificamerican.com/ article.cfm?id=microbe-census-reveals-ai.

10. Natural History, “As the Whale Turns”, de Adam Summers, junho de 2004, pp. 24-25.

11. Science, Random Samples, “Flippered Flight”, 21 de maio de 2004, p. 1106.

12. New Scientist, tecnologia, “Is It a Bird, Is It a Plane . . . ”, 3 de setembro de 2005, p. 21.

13. Heat Exchanger Design, segunda edição, de Arthur P. Fraas, 1989, p. 2.

14. The Economist Technology Quarterly, matéria “Technology That Imitates Nature”, 11 de junho de 2005, pp. 18-22.

15. The New York Times, “Design for Living”, de Michael J. Behe, 7 de fevereiro de 2005, p. A21.

16. Natural History, “Darwin & Evolution—The Illusion of Design”, de Richard Dawkins, novembro de 2005, p. 37.

17. Origin of Species, de Charles Darwin, primeira edição, 1859, sexta edição, 1872, pp. 285-286.

18. Charles Darwin—The Origin of Species, introdução de Sir Julian Huxley, 1958 para Introdução, First Signet Classic Printing, setembro de  2003, p. 458.

19. Nobel Lectures, Physiology or Medicine 1942-1962, 1999, “The Production of Mutations”, de H. J. Muller, 1946, p. 162.

20. Mutation Breeding, Evolution, and the Law of Recurrent Variation, de Wolf-Ekkehard Lönnig, “Expectations in Mutation Breeding”, 2005, p. 48, e entrevista com Wolf-Ekkehard Lönnig.

21. Mutation Breeding, Evolution, and the Law of Recurrent Variation, pp. 48-51.

22. Mutation Breeding, Evolution, and the Law of Recurrent Variation, pp. 49, 50, 52, 54, 59, 64, e entrevista com Wolf-Ekkehard Lönnig.

23. Science and Creationism—A View From the National Academy of Sciences, “Evidence Supporting Biological Evolution”, 1999, p. 10.

24. Science and Creationism—A View From the National Academy of Sciences, “Evidence Supporting Biological Evolution”, p. 11.

25. Scientific American, “Natural Selection and Darwin’s Finches”, de Peter R. Grant, outubro de 1991, p. 87;

Nature, “Oscillating Selection on Darwin’s Finches”, de H. Lisle Gibbs e Peter R. Grant, 11 de junho de 1987, p. 511;

Science, “Hybridization of Bird Species”, de Peter R. Grant e B. Rosemary Grant, 10 de abril de 1992, pp. 193-197.

26. Adaption and Natural Selection, de George C. Williams, 1966, p. 54.

27. Sudden Origins—Fossils, Genes, and the Emergence of Species, de Jeffrey H. Schwartz, 1999, pp. 317-320.

 28. Science and Creationism—A View From the National Academy of Sciences, segunda edição, “Evidence Supporting Biological Evolution”, p. 14.

29. The Triumph of Evolution and the Failure of Creationism, de Niles Eldredge, 2000, pp. 49, 85.

30. The New York Review of Books, “Billions and Billions of Demons”, de Richard C. Lewontin, 9 de janeiro de 1997, pp. 28-32.

31. Scientific American, “Scientists and Religion in America”, de Edward J. Larson e Larry Witham, setembro de 1999, p. 91.

32. Science, Technology, and Social Progress, editado por Steven L. Goldman, “Evolution and the Foundation of Ethics”, de William B. Provine, 1989, pp. 253, 266.