Gaya APA

Brue, S, L., Oser, J. (1988). The evoluation of economic thought (4th.ed.). San Diego: Harcourt Brace Jovanovich Publishers.

Gaya MLA

Brue, Stanley, L.., Oser, Jacob. "The evoluation of economic thought". 4th.ed. San Diego: Harcourt Brace Jovanovich Publishers, 1988. Text.