Παραπομπή APA
Colberg, M. R., Alt, R. M., Forbush, D. R., & Whitaker, G. R. (1975). Business economics: Principles and cases (5th ed.). Homewood, Ill.: R. D. Irwin.
Παραπομπή Chicago StyleColberg, Marshall Rudolph, Richard M. Alt, Dascomb Ramsey Forbush, and Gilbert R. Whitaker. Business Economics: Principles and Cases. 5th ed. Homewood, Ill.: R. D. Irwin, 1975.
Παραπομπή MLAColberg, Marshall Rudolph, Richard M. Alt, Dascomb Ramsey Forbush, and Gilbert R. Whitaker. Business Economics: Principles and Cases. 5th ed. Homewood, Ill.: R. D. Irwin, 1975.
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