Carrier, N., & Hobcraft, J. (1971). Demographic estimation for developing societies: A manual of techniques for the detection and reduction of errors in demographic data. London School of Economics, Population Investigation Committee.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিCarrier, Norman, এবং John Hobcraft. Demographic Estimation for Developing Societies: A Manual of Techniques for the Detection and Reduction of Errors in Demographic Data. London: London School of Economics, Population Investigation Committee, 1971.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিCarrier, Norman, এবং John Hobcraft. Demographic Estimation for Developing Societies: A Manual of Techniques for the Detection and Reduction of Errors in Demographic Data. London School of Economics, Population Investigation Committee, 1971.