Gregory, H. (1999). Public speaking for college and career (5th.ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Gregory, Hamilton. Public Speaking for College and Career. 5th.ed. Boston: McGraw-Hill, 1999.
Lua MLA (9ú heag.)Gregory, Hamilton. Public Speaking for College and Career. 5th.ed. McGraw-Hill, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.