于洋. (2011). 谈判圣经: Negotiations bible. 中华工商联合出版社.
Chicago Style (17th ed.) Citation于洋. 谈判圣经: Negotiations Bible. 中华工商联合出版社, 2011.
Cita MLA于洋. 谈判圣经: Negotiations Bible. 中华工商联合出版社, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA