APA aipamena

Leterman, E. G. (1973). Modern business: Sales and sales management. Alexander Hamilton Institute.

Chicago Style aipamena

Leterman, Elmer G. Modern Business: Sales and Sales Management. New York: Alexander Hamilton Institute, 1973.

MLA aipamena

Leterman, Elmer G. Modern Business: Sales and Sales Management. Alexander Hamilton Institute, 1973.

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