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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUnited Nations. World Population Monitoring 1997: International Migration and Development. New York: United Nations, 1998.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিUnited Nations. World Population Monitoring 1997: International Migration and Development. United Nations, 1998.