the World Bank. (2004). Doing Business 2004: Understanding regulation. World Bank Group.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিthe World Bank. Doing Business 2004: Understanding Regulation. Washington: World Bank Group, 2004.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিthe World Bank. Doing Business 2004: Understanding Regulation. World Bank Group, 2004.