石章强. 企业过冬: Recession survival. 华文出版社.
Lua i Stíl Chicago (17ú heag.)石章强. 企业过冬: Recession Survival. 华文出版社.
Lua MLA (8ú heag.)石章强. 企业过冬: Recession Survival. 华文出版社.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)