Παραπομπή APA

Colberg, M. R., & Forbush, D. R. (1975). Business economics: Principles and cases (5th.). Richard.

Παραπομπή Chicago Style

Colberg, Marshall R., και Dascomb R. Forbush. Business Economics: Principles and Cases. 5th. Illinois: Richard, 1975.

Παραπομπή MLA

Colberg, Marshall R., και Dascomb R. Forbush. Business Economics: Principles and Cases. 5th. Richard, 1975.