APA (7th ed.) Zitazioa

Black, K., & Skipper, H. D. (1994). Life insurance (12a. ed.). Prentice Hall.

Chicago Style (17th ed.) Zitazioa

Black, Kenneth, eta Harold D. Skipper. Life Insurance. 12a. ed. Englewood Cliffs: Prentice Hall, 1994.

MLA (9th ed.) Zitazioa

Black, Kenneth, eta Harold D. Skipper. Life Insurance. 12a. ed. Prentice Hall, 1994.