卡内基 & 刘双. (2010). 人性的优点: How to stop worrying and start living. 天津社会科学院出版社.
Chicago Style (17th ed.) Citation卡内基 i 刘双. 人性的优点: How to Stop Worrying and Start Living. 天津社会科学院出版社, 2010.
Cita MLA卡内基 i 刘双. 人性的优点: How to Stop Worrying and Start Living. 天津社会科学院出版社, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.