郑永年. (2011). 保卫社会: Society must be defended. 浙江人民出版社.
Lua i Stíl Chicago (17ú heag.)郑永年. 保卫社会: Society Must Be Defended. 浙江人民出版社, 2011.
Lua MLA (8ú heag.)郑永年. 保卫社会: Society Must Be Defended. 浙江人民出版社, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.