卢普. (2009). 心理的动机原理: Principle of psychological motive. 北京出版社.
Chicago Style (17th ed.) Citation卢普. 心理的动机原理: Principle of Psychological Motive. 北京出版社, 2009.
MLA citiranje卢普. 心理的动机原理: Principle of Psychological Motive. 北京出版社, 2009.
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