APA aipamena

Graham Greene. (1992). The human factor. London: Everyman's Library.

Chicago Style aipamena

Graham Greene. The Human Factor. London: Everyman's Library, 1992.

MLA aipamena

Graham Greene. The Human Factor. London: Everyman's Library, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.