宋林霖. (2018). 世界银行营商环境评价指标体系详析: Detailed analysis of world bank's doing business index system. 天津人民出版社.
Lua i Stíl Chicago (17ú heag.)宋林霖. 世界银行营商环境评价指标体系详析: Detailed Analysis of World Bank's Doing Business Index System. 天津人民出版社, 2018.
Lua MLA (8ú heag.)宋林霖. 世界银行营商环境评价指标体系详析: Detailed Analysis of World Bank's Doing Business Index System. 天津人民出版社, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.