文柯. (2011). 20几岁铺好路 30几岁好走路: At the age of 20 paved the way at the age of 30 along the road. 新世界出版社.
Chicago-referens (17:e uppl.)文柯. 20几岁铺好路 30几岁好走路: At the Age of 20 Paved the Way at the Age of 30 Along the Road. 新世界出版社, 2011.
MLA-referens (8:e uppl.)文柯. 20几岁铺好路 30几岁好走路: At the Age of 20 Paved the Way at the Age of 30 Along the Road. 新世界出版社, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.