徐为达. (2004). 好口才好办事: Good Speech Helps You Succeed. 当代世界出版社.
Chicago Style (17th ed.) Citation徐为达. 好口才好办事: Good Speech Helps You Succeed. 当代世界出版社, 2004.
Cita MLA徐为达. 好口才好办事: Good Speech Helps You Succeed. 当代世界出版社, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.