Lua APA (7ú heag.)

Osborn, M. (1988). Public speaking. Houghton Mifflin Co..

Lua i Stíl Chicago (17ú heag.)

Osborn, Michael. Public Speaking. Boston: Houghton Mifflin Co., 1988.

Lua MLA (9ú heag.)

Osborn, Michael. Public Speaking. Houghton Mifflin Co., 1988.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.