Style de citation APA (7e éd.)

Leterman, E. G. (1974). Sales and sales management (1a. ed.). Alexander Hamilton Institute.

Style de citation Chicago (17e éd.)

Leterman, Elmer G. Sales and Sales Management. 1a. ed. Nueva York: Alexander Hamilton Institute, 1974.

Style de citation MLA (9e éd.)

Leterman, Elmer G. Sales and Sales Management. 1a. ed. Alexander Hamilton Institute, 1974.