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.
Citação do estilo Chicago (17ª ed.)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.
Citação MLA (9ª ed.)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.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.