U.S. Bureau of the Census. (1949). Annual survey of manufactures. 1949. U.S. Govt. Print. Off.
Chicago-referens (17:e uppl.)U.S. Bureau of the Census. Annual Survey of Manufactures. 1949. Washington: U.S. Govt. Print. Off, 1949.
MLA-referens (9:e uppl.)U.S. Bureau of the Census. Annual Survey of Manufactures. 1949. U.S. Govt. Print. Off, 1949.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.