Monroe, A. H. (1958). Principles of speech (4th brief ed.). Scott, Foresman.
Lua i Stíl Chicago (17ú heag.)Monroe, Alan Houston. Principles of Speech. 4th brief ed. Chicago: Scott, Foresman, 1958.
Lua MLA (9ú heag.)Monroe, Alan Houston. Principles of Speech. 4th brief ed. Scott, Foresman, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.