Humes, J. C. (2002). Speak like churchill, stand like lincoln: 21 powerful secrets of history's greatest speakers. AUWSF.
Chicago-referens (17:e uppl.)Humes, James C. Speak like Churchill, Stand like Lincoln: 21 Powerful Secrets of History's Greatest Speakers. New York: AUWSF, 2002.
MLA-referens (9:e uppl.)Humes, James C. Speak like Churchill, Stand like Lincoln: 21 Powerful Secrets of History's Greatest Speakers. AUWSF, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.