Lua APA (7ú heag.)
Willingham, R. (1968). How to speak so people will listen. Word Books.
Lua i Stíl Chicago (17ú heag.)
Willingham, Ron. How to Speak so People Will Listen. Waco, Tex.: Word Books, 1968.
Lua MLA (9ú heag.)
Willingham, Ron. How to Speak so People Will Listen. Word Books, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.