Leterman, E. G. (1974). Sales and sales management (1a. ed.). Alexander Hamilton Institute.
Chicagoスタイル(17版)引用形式Leterman, Elmer G. Sales and Sales Management. 1a. ed. Nueva York: Alexander Hamilton Institute, 1974.
MLA(9版)引用形式Leterman, Elmer G. Sales and Sales Management. 1a. ed. Alexander Hamilton Institute, 1974.
警告: この引用は必ずしも正確ではありません.