APA (7 ম সংস্করণ) উদ্ধৃতি

United States. Department of Commerce. Bureau of the Census. (1975). World population, 1975: Recent demographic estimates for the countries and regions of the world. U. S. Government Printing Office.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

United States. Department of Commerce. Bureau of the Census. World Population, 1975: Recent Demographic Estimates for the Countries and Regions of the World. Washington: U. S. Government Printing Office, 1975.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

United States. Department of Commerce. Bureau of the Census. World Population, 1975: Recent Demographic Estimates for the Countries and Regions of the World. U. S. Government Printing Office, 1975.