Lawrence, R. S. (1963). The Pan Guide to Public Speaking. Pan Books Ltd.
Lua i Stíl Chicago (17ú heag.)Lawrence, Robert Seton. The Pan Guide to Public Speaking. London, S.W: Pan Books Ltd, 1963.
Lua MLA (9ú heag.)Lawrence, Robert Seton. The Pan Guide to Public Speaking. Pan Books Ltd, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.