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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিColston Research Society. Symposium, David A. Collard, Richard Lecomber, এবং Martin Slater. Income Distribution: The Limits to Redistribution : Proceedings of the Thirty-first Symposium of the Colston Research Society Held in the University of Bristol, March 1979. New York: Wiley, 1980.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিColston Research Society. Symposium, et al. Income Distribution: The Limits to Redistribution : Proceedings of the Thirty-first Symposium of the Colston Research Society Held in the University of Bristol, March 1979. Wiley, 1980.