APA (7th ed.) Zitazioa
National Geographic Society & National Geographic Society. THE MARVELS OF ANIMAL BEHAVIOR.
Chicago Style (17th ed.) Zitazioa
National Geographic Society eta National Geographic Society. THE MARVELS OF ANIMAL BEHAVIOR.
MLA (9th ed.) Zitazioa
National Geographic Society eta National Geographic Society. THE MARVELS OF ANIMAL BEHAVIOR.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.