俞慧霞. (2008). 与客户一起成长: Develop with your client. 中国纺织出版社.
Lua i Stíl Chicago (17ú heag.)俞慧霞. 与客户一起成长: Develop with Your Client. 中国纺织出版社, 2008.
Lua MLA (8ú heag.)俞慧霞. 与客户一起成长: Develop with Your Client. 中国纺织出版社, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.