Dyfyniad APA

Mader, S. S., Windelspecht, M., & Carlson, J. (2016). Biology (Twelfth edition.). McGraw-Hill Education.

Dyfyniad Arddull Chicago

Mader, Sylvia S., Michael Windelspecht, and Jason Carlson. Biology. Twelfth edition. New York, NY: McGraw-Hill Education, 2016.

Dyfyniad MLA

Mader, Sylvia S., et al. Biology. Twelfth edition. McGraw-Hill Education, 2016.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.