APA (7th ed.) Zitazioa
(1986). The Constitution of the United States. Greenleaf Book Group Press.
Chicago Style (17th ed.) Zitazioa
The Constitution of the United States. Austin, Texas: Greenleaf Book Group Press, 1986.
MLA (9th ed.) Zitazioa
The Constitution of the United States. Greenleaf Book Group Press, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.