Douglas, L. V., Price, R. G., & Skar, R. O. (1948). Modern Business: An Introduction to Principles and Problems. New York: McGraw-Hill Book Co..
Trích dẫn kiểu ChicagoDouglas, LLoyd V., Ray G. Price, và Robert O. Skar. Modern Business: An Introduction to Principles and Problems. New York: McGraw-Hill Book Co., 1948.
ציטוט MLADouglas, LLoyd V., Ray G. Price, và Robert O. Skar. Modern Business: An Introduction to Principles and Problems. New York: McGraw-Hill Book Co., 1948.
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