Mader, S. S., Windelspecht, M., & Cox, D. (2015). Essentials of biology (Fourth edition.). McGraw-Hill Education.
Chicago Style aipamenaMader, Sylvia S., Michael Windelspecht, and Dave Cox. Essentials of Biology. Fourth edition. New York, N.Y: McGraw-Hill Education, 2015.
MLA aipamenaMader, Sylvia S., et al. Essentials of Biology. Fourth edition. McGraw-Hill Education, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.