APA aipamena

Ridley, J. (1998). U-turn. London: Coronet Books.

Chicago Style aipamena

Ridley, John. U-turn. London: Coronet Books, 1998.

MLA aipamena

Ridley, John. U-turn. London: Coronet Books, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.