Lucas, S. E. (1995). The art of public speaking (5th ed.). McGraw hill.
Lua i Stíl Chicago (17ú heag.)Lucas, Stephen E. The Art of Public Speaking. 5th ed. New York: McGraw hill, 1995.
Lua MLA (9ú heag.)Lucas, Stephen E. The Art of Public Speaking. 5th ed. McGraw hill, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.