Osborn, M., & Osborn, S. (1994). Public Speaking (3rd ed.). Houghton Mifflin.
Lua i Stíl Chicago (17ú heag.)Osborn, Michael, agus Suzanne Osborn. Public Speaking. 3rd ed. Boston: Houghton Mifflin, 1994.
Lua MLA (9ú heag.)Osborn, Michael, agus Suzanne Osborn. Public Speaking. 3rd ed. Houghton Mifflin, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.