刘永科 & 刘思坤. (2007). 看欧美风情学英语: Customs from around the western countries. 南海出版公司.
Lua i Stíl Chicago (17ú heag.)刘永科 agus 刘思坤. 看欧美风情学英语: Customs from Around the Western Countries. 南海出版公司, 2007.
Lua MLA (8ú heag.)刘永科 agus 刘思坤. 看欧美风情学英语: Customs from Around the Western Countries. 南海出版公司, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.