于阳. (2009). 幸福从心开始: Happiness starts from the heart. 陕西师范大学出版社.
Chicago Style (17th ed.) Citation于阳. 幸福从心开始: Happiness Starts from the Heart. 陕西师范大学出版社, 2009.
MLA citiranje于阳. 幸福从心开始: Happiness Starts from the Heart. 陕西师范大学出版社, 2009.
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