APA aipamena

Porter, A. J. (1964). American literature. Boston: Ginn and Company.

Chicago Style aipamena

Porter, Andrew J. American Literature. Boston: Ginn and Company, 1964.

MLA aipamena

Porter, Andrew J. American Literature. Boston: Ginn and Company, 1964.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.