United States Bureau of the Census & United States. Bureau of the Census. (1966). Censuses of population and housing, 1960: Procedural history. s.n.
Cita Chicago (17th ed.)United States Bureau of the Census i United States. Bureau of the Census. Censuses of Population and Housing, 1960: Procedural History. [Washington: s.n, 1966.
Cita MLA (9th ed.)United States Bureau of the Census i United States. Bureau of the Census. Censuses of Population and Housing, 1960: Procedural History. s.n, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.