Shryock, H. S. (1964). Population mobility within the United States. Chicago: Chicago University. Community and Family Study Center.
Παραπομπή Chicago StyleShryock, Henry S. Population Mobility Within the United States. Chicago: Chicago University. Community and Family Study Center, 1964.
Παραπομπή MLAShryock, Henry S. Population Mobility Within the United States. Chicago: Chicago University. Community and Family Study Center, 1964.
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