APA (7 ম সংস্করণ) উদ্ধৃতি

Cooper, R., & Johri, A. (1999). Learning by doing and aggregate fluctuations. National Bureau of Economic Research.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Cooper, Russell, এবং Alok Johri. Learning by Doing and Aggregate Fluctuations. Cambridge: National Bureau of Economic Research, 1999.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Cooper, Russell, এবং Alok Johri. Learning by Doing and Aggregate Fluctuations. National Bureau of Economic Research, 1999.