Gaya APA

Huebner,S.S, ., Balck,Kenneth, . (1958). Life Insurance (5th.ed). United States: Appleton-Century-Croft.

Gaya MLA

Huebner,S.S, ., Balck,Kenneth, . "Life Insurance". 5th.ed United States: Appleton-Century-Croft, 1958. Text.