APA (7th ed.) Zitazioa
Balinsky, B. I. (1975). An introduction to embryology (4th ed.). Saunders.
Chicago Style (17th ed.) Zitazioa
Balinsky, B. I. An Introduction to Embryology. 4th ed. Philadelphia: Saunders, 1975.
MLA (9th ed.) Zitazioa
Balinsky, B. I. An Introduction to Embryology. 4th ed. Saunders, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.