Black, K. &. o. (2013). lIFE iNSURANCE. IKON BOOKS.
Chicago Style aipamenaBlack, Kenneth & others. LIFE INSURANCE. New Delhi: IKON BOOKS, 2013.
MLA aipamenaBlack, Kenneth & others. LIFE INSURANCE. IKON BOOKS, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.