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.
Lua i Stíl Chicago (17ú heag.)覃卓颖 agus 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.
Lua MLA (8ú heag.)覃卓颖 agus 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.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.