Leterman, E. G. (1973). Modern business: Sales and sales management. Alexander Hamilton Institute.
Chicago-stil citatLeterman, Elmer G. Modern Business: Sales and Sales Management. New York: Alexander Hamilton Institute, 1973.
MLA-referensLeterman, Elmer G. Modern Business: Sales and Sales Management. Alexander Hamilton Institute, 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.