Sager, A. W. (1968). Speak your way to success: A guide to effective speaking in business and the professions. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Sager, Arthur W. Speak Your Way to Success: A Guide to Effective Speaking in Business and the Professions. New York: McGraw-Hill, 1968.
Lua MLA (9ú heag.)Sager, Arthur W. Speak Your Way to Success: A Guide to Effective Speaking in Business and the Professions. McGraw-Hill, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.