HARVARD BUSINESS REVIEW. (1973). HOW TO IMPROVE SALES MANAGEMENT. HARVARD BUS. SCHOOL.
Chicago-referens (17:e uppl.)HARVARD BUSINESS REVIEW. HOW TO IMPROVE SALES MANAGEMENT. USA: HARVARD BUS. SCHOOL, 1973.
MLA-referens (9:e uppl.)HARVARD BUSINESS REVIEW. HOW TO IMPROVE SALES MANAGEMENT. HARVARD BUS. SCHOOL, 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.