(1978). Textbook Of Salesmanship/russell,a Frederic. McGraw-Hill.
Chicagoスタイル(17版)引用形式Textbook Of Salesmanship/russell,a Frederic. McGraw-Hill, 1978.
MLA(8版)引用形式Textbook Of Salesmanship/russell,a Frederic. McGraw-Hill, 1978.
警告: この引用は必ずしも正確ではありません.