易云. (2009). 危机改变人生: Crisis changes the life. 新世界出版社.
Chicago Style (17th ed.) Citation易云. 危机改变人生: Crisis Changes the Life. 新世界出版社, 2009.
Cita MLA易云. 危机改变人生: Crisis Changes the Life. 新世界出版社, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.