Leterman, E. G. (1973). Modern business: Sales and sales management. Alexander Hamilton Institute.
Chicago ZitierstilLeterman, Elmer G. Modern Business: Sales and Sales Management. New York: Alexander Hamilton Institute, 1973.
MLA ZitierstilLeterman, Elmer G. Modern Business: Sales and Sales Management. Alexander Hamilton Institute, 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.