Cita APA (7th ed.)

Colberg, M. R., & Christensen, J. P. (1981). Business economics: Principles and cases (6th ed.). জরপযধৎফ উ. ওৎরিহ.

Cita Chicago (17th ed.)

Colberg, Marshall R., i James P. Christensen. Business Economics: Principles and Cases. 6th ed. Homewood, Ill.: জরপযধৎফ উ. ওৎরিহ, 1981.

Cita MLA (9th ed.)

Colberg, Marshall R., i James P. Christensen. Business Economics: Principles and Cases. 6th ed. জরপযধৎফ উ. ওৎরিহ, 1981.