International Demographic Data Center (U.S.) & Jamison, E. (1980). International population dynamics, 1950-79: Demographic estimates for countries with a population of 5 million or more. The Bureau.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিInternational Demographic Data Center (U.S.) এবং Ellen Jamison. International Population Dynamics, 1950-79: Demographic Estimates for Countries with a Population of 5 Million or More. Washington, D.C: The Bureau, 1980.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিInternational Demographic Data Center (U.S.) এবং Ellen Jamison. International Population Dynamics, 1950-79: Demographic Estimates for Countries with a Population of 5 Million or More. The Bureau, 1980.
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