Tribe, L. H. (1985). Constitutional choices. Harvard University press.
Chicago Style (17th ed.) ZitazioaTribe, Laurence H. Constitutional Choices. London: Harvard University press, 1985.
MLA (9th ed.) ZitazioaTribe, Laurence H. Constitutional Choices. Harvard University press, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.