Ehrlich, H. (1992). Writing effective speeches. Paragone.
Chicagoスタイル(17版)引用形式Ehrlich, Henry. Writing Effective Speeches. New york: Paragone, 1992.
MLA(9版)引用形式Ehrlich, Henry. Writing Effective Speeches. Paragone, 1992.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式