Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.