龚勋. (2012). 感恩生活: Surprising wonders of life will give us strength for ever. 汕头大学出版社.
Chicago Style (17th ed.) Citation龚勋. 感恩生活: Surprising Wonders of Life Will Give Us Strength for Ever. 汕头大学出版社, 2012.
Cita MLA龚勋. 感恩生活: Surprising Wonders of Life Will Give Us Strength for Ever. 汕头大学出版社, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.