Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.