APA (7 ম সংস্করণ) উদ্ধৃতি

Balassa, B. A. (1991). Economic integration in Eastern Europe. Office of the Vice President, World Bank.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Balassa, Bela A. Economic Integration in Eastern Europe. Washington, D.C: Office of the Vice President, World Bank, 1991.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Balassa, Bela A. Economic Integration in Eastern Europe. Office of the Vice President, World Bank, 1991.