APA Citatie

Russel, F. A., & Beach, F. H. Test book of salesmanship (6th ed.). McGraw Hill bok company.

Chicago Style citaat

Russel, Fredrick A., en Frank H. Beach. Test Book of Salesmanship. 6th ed. New York: McGraw Hill bok company.

MLA citatie

Russel, Fredrick A., en Frank H. Beach. Test Book of Salesmanship. 6th ed. McGraw Hill bok company.

Let op: Deze citaties zijn niet altijd 100% accuraat.