Ehrlich, H. (1992). Writing effective speeches. Paragone.
Lua i Stíl Chicago (17ú heag.)Ehrlich, Henry. Writing Effective Speeches. New york: Paragone, 1992.
Lua MLA (9ú heag.)Ehrlich, Henry. Writing Effective Speeches. Paragone, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.