张永生. (2009). 20几岁你该怎样度过: Life depends on your twenties. 京华出版社.
Lua i Stíl Chicago (17ú heag.)张永生. 20几岁你该怎样度过: Life Depends on Your Twenties. 京华出版社, 2009.
Lua MLA (8ú heag.)张永生. 20几岁你该怎样度过: Life Depends on Your Twenties. 京华出版社, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.