郑有强. (2020). 善事善为: Doing good well. 清华大学出版社.
Chicago Style (17. basım) Atıf郑有强. 善事善为: Doing Good Well. 清华大学出版社, 2020.
MLA (8th ed.) Atıf郑有强. 善事善为: Doing Good Well. 清华大学出版社, 2020.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..
郑有强. (2020). 善事善为: Doing good well. 清华大学出版社.
Chicago Style (17. basım) Atıf郑有强. 善事善为: Doing Good Well. 清华大学出版社, 2020.
MLA (8th ed.) Atıf郑有强. 善事善为: Doing Good Well. 清华大学出版社, 2020.