Mandel, S. (1988). Effective presentation skills. Kogan Page.
Chicagoスタイル(17版)引用形式Mandel, Steve. Effective Presentation Skills. London: Kogan Page, 1988.
MLA(9版)引用形式Mandel, Steve. Effective Presentation Skills. Kogan Page, 1988.
警告: この引用は必ずしも正確ではありません.