龚勋. (2016). 中国未解之谜: Chinese unsolved secrets. 汕头大学出版社.
Dyfyniad Arddull Chicago龚勋. 中国未解之谜: Chinese Unsolved Secrets. 汕头大学出版社, 2016.
Dyfyniad MLA龚勋. 中国未解之谜: Chinese Unsolved Secrets. 汕头大学出版社, 2016.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.