佐罗世家. (2009). 跟奥巴马学口才: Study eloquence with Obama. 金城出版社.
Chicago Style (17th ed.) Citation佐罗世家. 跟奥巴马学口才: Study Eloquence with Obama. 金城出版社, 2009.
Cita MLA佐罗世家. 跟奥巴马学口才: Study Eloquence with Obama. 金城出版社, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.