郑有强. (2020). 善事善为: Doing good well. 清华大学出版社.
Lua i Stíl Chicago (17ú heag.)郑有强. 善事善为: Doing Good Well. 清华大学出版社, 2020.
Lua MLA (8ú heag.)郑有强. 善事善为: Doing Good Well. 清华大学出版社, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.