郑永年. (2011). 保卫社会: Society must be defended. 浙江人民出版社.
Chicago Style (17th ed.) Citation郑永年. 保卫社会: Society Must Be Defended. 浙江人民出版社, 2011.
Cita MLA郑永年. 保卫社会: Society Must Be Defended. 浙江人民出版社, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.