Mader, S. S., Windelspecht, M., Carlson, J., Cox, D., Guest, G., & Isaacson, J. (2016). Biology (12th edition.). New York: McGraw-Hill.

Mader, Sylvia S., Michael Windelspecht, Jason Carlson, David Cox, Gretel Guest, and Jeffrey Isaacson. Biology. 12th edition. New York: McGraw-Hill, 2016.

Mader, Sylvia S., et al. Biology. 12th edition. New York: McGraw-Hill, 2016.