Συλλογικό Έργο:	United States. Bureau of the Census, United States. Agency for International Development. Bureau for Development Support, International Demographic Data Center (U.S.)
Μορφή:	Βιβλίο
Γλώσσα:	English
Έκδοση:	Washington: U.S. Government Printing Office, 1981
Θέματα:	Population > Statistics Population forecasting > Statistics