李冰. (2011). 寻找外星人: Searching for intelligent alien life. 北京师范大学出版社.
Chicago Style (17th ed.) Citation李冰. 寻找外星人: Searching for Intelligent Alien Life. 北京师范大学出版社, 2011.
MLA (8th ed.) Citation李冰. 寻找外星人: Searching for Intelligent Alien Life. 北京师范大学出版社, 2011.
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