APA ציטוט

龚勋. (2009). 中国未解之谜: Unsolved secrets of China. 云南教育出版社.

Chicago Style (17th ed.) Citation

龚勋. 中国未解之谜: Unsolved Secrets of China. 云南教育出版社, 2009.

ציטוט MLA

龚勋. 中国未解之谜: Unsolved Secrets of China. 云南教育出版社, 2009.