Humes, J. C. (2002). Speak like churchill, stand like lincoln: 21 powerful secrets of history's greatest speakers. AUWSF.
Chicagoスタイル(17版)引用形式Humes, James C. Speak like Churchill, Stand like Lincoln: 21 Powerful Secrets of History's Greatest Speakers. New York: AUWSF, 2002.
MLA(9版)引用形式Humes, James C. Speak like Churchill, Stand like Lincoln: 21 Powerful Secrets of History's Greatest Speakers. AUWSF, 2002.
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