APA (7th ed.) Zitazioa

Tribe, L. H. (1985). Constitutional choices. Harvard University press.

Chicago Style (17th ed.) Zitazioa

Tribe, Laurence H. Constitutional Choices. London: Harvard University press, 1985.

MLA (9th ed.) Zitazioa

Tribe, Laurence H. Constitutional Choices. Harvard University press, 1985.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.