Παραπομπή APA

(1952). United States census of population 1950. Washington, D.C: Government Printing Office.

Παραπομπή Chicago Style

United States Census of Population 1950. Washington, D.C: Government Printing Office, 1952.

Παραπομπή MLA

United States Census of Population 1950. Washington, D.C: Government Printing Office, 1952.

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