APA aipamena

ISBISTER,John. (1993). Promises Not Kept. Kumarian Press.

Chicago Style aipamena

ISBISTER,John. Promises Not Kept. Kumarian Press, 1993.

MLA aipamena

ISBISTER,John. Promises Not Kept. Kumarian Press, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.