ECU Libraries Catalog
1972 census of construction industries
MLA
1972 Census of Construction Industries. Washington: U.S. Dept. of Commerce, Bureau of the Census , 1975.
APA
(1975). 1972 census of construction industries. Washington: U.S. Dept. of Commerce, Bureau of the Census .
Chicago
1972 Census of Construction Industries. Washington: U.S. Dept. of Commerce, Bureau of the Census, 1975.