United States. Bureau of the Census. (1980). International population dynamics, 1950-79: Demographic estimates for countries with a population of 5 million or more. The Bureau.
Chicago-referens (17:e uppl.)United States. Bureau of the Census. International Population Dynamics, 1950-79: Demographic Estimates for Countries with a Population of 5 Million or More. Washington: The Bureau, 1980.
MLA-referens (9:e uppl.)United States. Bureau of the Census. International Population Dynamics, 1950-79: Demographic Estimates for Countries with a Population of 5 Million or More. The Bureau, 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.