Mader, S. S., Windelspecht, M. 1., Carlson, J., Cox, D., Guest, G., & Isaacson, J. (2016). Biology (Twelfth edition.). New York, NY: McGraw-Hill Education.

Mader, Sylvia S., Michael 1963- Windelspecht, Jason Carlson, David Cox, Gretel Guest, and Jeffrey Isaacson. Biology. Twelfth edition. New York, NY: McGraw-Hill Education, 2016.

Mader, Sylvia S., et al. Biology. Twelfth edition. New York, NY: McGraw-Hill Education, 2016.