刘颖. (2008). 话说世界: Talking about the world. 北京出版社.
Chicago Style (17th ed.) Citation刘颖. 话说世界: Talking About the World. 北京出版社, 2008.
MLA citiranje刘颖. 话说世界: Talking About the World. 北京出版社, 2008.
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