APA (7th ed.) Zitazioa
Heffner, L. J., & Schust, D. J. (2014). The reproductive system at a glance (Fourth edition.). John Wiley & Sons, Inc..
Chicago Style (17th ed.) Zitazioa
Heffner, Linda J., eta Danny J. Schust. The Reproductive System at a Glance. Fourth edition. Chichester, West Sussex: John Wiley & Sons, Inc., 2014.
MLA (9th ed.) Zitazioa
Heffner, Linda J., eta Danny J. Schust. The Reproductive System at a Glance. Fourth edition. John Wiley & Sons, Inc., 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.