APA aipamena

Parker, R. B. (2008). Now and then. London: No exit press.

Chicago Style aipamena

Parker, Robert B. Now and Then. London: No exit press, 2008.

MLA aipamena

Parker, Robert B. Now and Then. London: No exit press, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.