APA aipamena

Black, K. &. o. (2013). lIFE iNSURANCE. IKON BOOKS.

Chicago Style aipamena

Black, Kenneth & others. LIFE INSURANCE. New Delhi: IKON BOOKS, 2013.

MLA aipamena

Black, Kenneth & others. LIFE INSURANCE. IKON BOOKS, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.