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.
Cita MLA于阳. 幸福从心开始: Happiness Starts from the Heart. 陕西师范大学出版社, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.