Jeffries, A. A., & Duxfield, T. (1969). Management and training of technical salesmen. Gower press.
シカゴスタイル引用形Jeffries, A. A., , T.S Duxfield. Management and Training of Technical Salesmen. London: Gower press, 1969.
MLA引用形式Jeffries, A. A., , T.S Duxfield. Management and Training of Technical Salesmen. Gower press, 1969.
警告: この引用は必ずしも正確ではありません.