APA (7th ed.) Zitazioa

Krebs, J. R. An Introduction to behavioural ecology.

Chicago Style (17th ed.) Zitazioa

Krebs, J. R. An Introduction to Behavioural Ecology.

MLA (9th ed.) Zitazioa

Krebs, J. R. An Introduction to Behavioural Ecology.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.