WEISS DONALD H. (1987). HOW TO MAKE AN EFFECTIVE SPEECH OR PRESENTATION. AMACOM.
Chicagoスタイル(17版)引用形式WEISS DONALD H. HOW TO MAKE AN EFFECTIVE SPEECH OR PRESENTATION. NEW YORK: AMACOM, 1987.
MLA(9版)引用形式WEISS DONALD H. HOW TO MAKE AN EFFECTIVE SPEECH OR PRESENTATION. AMACOM, 1987.
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