APA (7th ed.) Zitazioa
Cohen, H. (1970). LANDMARKS of american writing. Voice of American Forum Lectores.
Chicago Style (17th ed.) Zitazioa
Cohen, Hennig. LANDMARKS of American Writing. Washington: Voice of American Forum Lectores, 1970.
MLA (9th ed.) Zitazioa
Cohen, Hennig. LANDMARKS of American Writing. Voice of American Forum Lectores, 1970.
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