Ott, J. N. (1970). How to write and deliver a speech. Tridrent Press.
Lua i Stíl Chicago (17ú heag.)Ott, John Nash. How to Write and Deliver a Speech. New York: Tridrent Press, 1970.
Lua MLA (9ú heag.)Ott, John Nash. How to Write and Deliver a Speech. Tridrent Press, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.