Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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