APA (7th ed.) Zitazioa

Levin, G. (1984). Prose models (6th ed.). Harcourt Brace Jovanovich Publishers.

Chicago Style (17th ed.) Zitazioa

Levin, Gerald. Prose Models. 6th ed. San Diego: Harcourt Brace Jovanovich Publishers, 1984.

MLA (9th ed.) Zitazioa

Levin, Gerald. Prose Models. 6th ed. Harcourt Brace Jovanovich Publishers, 1984.