United States Bureau of the Census & United States. Bureau of the Census. (1966). Censuses of population and housing, 1960: Procedural history. s.n.
Chicago-referens (17:e uppl.)United States Bureau of the Census och United States. Bureau of the Census. Censuses of Population and Housing, 1960: Procedural History. [Washington: s.n, 1966.
MLA-referens (9:e uppl.)United States Bureau of the Census och United States. Bureau of the Census. Censuses of Population and Housing, 1960: Procedural History. s.n, 1966.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.