Sager, A. W. (1968). Speak your way to success: A guide to effective speaking in business and the professions. McGraw-Hill.
Chicago-Zitierstil (17. Ausg.)Sager, Arthur W. Speak Your Way to Success: A Guide to Effective Speaking in Business and the Professions. New York: McGraw-Hill, 1968.
MLA-Zitierstil (9. Ausg.)Sager, Arthur W. Speak Your Way to Success: A Guide to Effective Speaking in Business and the Professions. McGraw-Hill, 1968.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.