APA aipamena

McLaughlin, R. (1967). The Heartland. New York: Time Inc..

Chicago Style aipamena

McLaughlin, Robert. The Heartland. New York: Time Inc., 1967.

MLA aipamena

McLaughlin, Robert. The Heartland. New York: Time Inc., 1967.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.