闫燕. (2010). 意志力: Willpower. 中国画报出版社.
Chicago Style (17th ed.) Citation闫燕. 意志力: Willpower. 中国画报出版社, 2010.
MLA (8th ed.) Citation闫燕. 意志力: Willpower. 中国画报出版社, 2010.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation