Wilson, J. F., & Arnold, C. C. (1968). Public speaking as liberal art. Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Wilson, John F., agus Carroll C. Arnold. Public Speaking as Liberal Art. Boston: Allyn and Bacon, 1968.
Lua MLA (9ú heag.)Wilson, John F., agus Carroll C. Arnold. Public Speaking as Liberal Art. Allyn and Bacon, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.