覃卓颖 & 孙玥. (2009). 一生要做的99件事: 99 things you must do in your lifetime. 哈尔滨出版社.
Citación estilo Chicago覃卓颖 and 孙玥. 一生要做的99件事: 99 Things You Must Do in Your Lifetime. 哈尔滨出版社, 2009.
Cita MLA覃卓颖 and 孙玥. 一生要做的99件事: 99 Things You Must Do in Your Lifetime. 哈尔滨出版社, 2009.
警告：这些引文格式不一定是100％准确.