Dyfyniad APA

RUSSEL, F. A., BEACH, F. H., & BUSKIRK, R. H. (1978). Textbook of salesmanship. McGraw-Hill.

Dyfyniad Arddull Chicago

RUSSEL, Frederic A., Frank H. BEACH, and Richard H. BUSKIRK. Textbook of Salesmanship. New York: McGraw-Hill, 1978.

Dyfyniad MLA

RUSSEL, Frederic A., et al. Textbook of Salesmanship. McGraw-Hill, 1978.

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