Oakley, G. (1963). Successful Salesman to Salesmanager. W. Foulsham.
シカゴスタイル引用形Oakley, Gilbert. Successful Salesman to Salesmanager. London: W. Foulsham, 1963.
MLA引用形式Oakley, Gilbert. Successful Salesman to Salesmanager. W. Foulsham, 1963.
警告: この引用は必ずしも正確ではありません.