APA aipamena

Duff, A., & Maley, A. (1990). Literature. New York: Oxford University Press.

Chicago Style aipamena

Duff, Alan., và Alan Maley. Literature. New York: Oxford University Press, 1990.

MLA aipamena

Duff, Alan., và Alan Maley. Literature. New York: Oxford University Press, 1990.