APA (7th ed.) Zitazioa

Drake. The Nation's Nature. University of Virginia Press.

Chicago Style (17th ed.) Zitazioa

Drake. The Nation's Nature. University of Virginia Press.

MLA (9th ed.) Zitazioa

Drake. The Nation's Nature. University of Virginia Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.