APA (7th ed.) Zitazioa

Pechenik, J. A. (2010). Biology of the invertebrates (Sixth edition.). Karim International (021177).

Chicago Style (17th ed.) Zitazioa

Pechenik, Jan A. Biology of the Invertebrates. Sixth edition. Boston: Karim International (021177), 2010.

MLA (9th ed.) Zitazioa

Pechenik, Jan A. Biology of the Invertebrates. Sixth edition. Karim International (021177), 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.