龚勋主编. (2016). 世界未解之谜. 北京燕山出版社.
Chicago Style (17th ed.) Citation龚勋主编. 世界未解之谜. 北京燕山出版社, 2016.
MLA (8th ed.) Citation龚勋主编. 世界未解之谜. 北京燕山出版社, 2016.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation