白云. (2016). 自然科学未解之谜: Unsolved mysteries of science. 北方妇女儿童出版社.
Chicago Style (17th ed.) Citation白云. 自然科学未解之谜: Unsolved Mysteries of Science. 北方妇女儿童出版社, 2016.
MLA (8th ed.) Citation白云. 自然科学未解之谜: Unsolved Mysteries of Science. 北方妇女儿童出版社, 2016.
Warning: These citations may not always be 100% accurate.