APA aipamena

Ley, W. (1976). poles. Time-Life International.

Chicago Style aipamena

Ley, Willy. Poles. Nederland: Time-Life International, 1976.

MLA aipamena

Ley, Willy. Poles. Time-Life International, 1976.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.