Παραπομπή APA

(1961). U.S. census of population and housing: 1960 : census tracts. Washington, D.C: Government Printing Office.

Παραπομπή Chicago Style

U.S. Census of Population and Housing: 1960 : Census Tracts. Washington, D.C: Government Printing Office, 1961.

Παραπομπή MLA

U.S. Census of Population and Housing: 1960 : Census Tracts. Washington, D.C: Government Printing Office, 1961.

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