Campbell, N. A., & Reece, J. B.(2010). Biology (9th ed.). San Francisco, CA: Benjamin Cummings

Campbell, N. A., Reece, J. B., Urry, L. A., Cain, M. L., Wasserman, S. A., Minorsky, P. V., & Jackson, R. B.(2008). Descent with modification: A Darwinian view of life. San Francisco, CA: Pearson Education.

Raven, P., Johnson, G., Mason, K., Losos, J., & Singer, S. (2013). Biology (10th ed.). New York, NY: McGraw-Hill Science.

Raven, P. H., Johnson, G. B, Losos, J. B., & Singer, S. R.(2013). The origin of living things. New York: McGraw-Hill Companies.

Raven, P. H., Johnson, G. B, Losos, J. B., & Singer, S. R.(2013). The evidence of evolution. New York, NY: McGraw-Hill Companies.

Freeman, C. 2013. Biological Science (5th ed.). New Jersey, NY: Pearson/Prentice Hall.

Freeman, S. (2013). Evolution by natural selection. San Francisco, CA: Pearson Education.