APA (7 ম সংস্করণ) উদ্ধৃতি

University of Oklahoma. Bureau of Business Research. Economic development series. University of Oklahoma, Bureau of Business Research.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

University of Oklahoma. Bureau of Business Research. Economic Development Series. Norman: University of Oklahoma, Bureau of Business Research.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

University of Oklahoma. Bureau of Business Research. Economic Development Series. University of Oklahoma, Bureau of Business Research.