APA (7th ed.) Zitazioa

Levin, G. (1981). Prose Models (5th ed.). Harcourt Brace Jovanovich.

Chicago Style (17th ed.) Zitazioa

Levin, Gerald. Prose Models. 5th ed. New York: Harcourt Brace Jovanovich, 1981.

MLA (9th ed.) Zitazioa

Levin, Gerald. Prose Models. 5th ed. Harcourt Brace Jovanovich, 1981.