United States. Bureau of the Census. 1977 census of construction industries: Geographic area series, East North Central States, Ohio, Indiana, Illinois, Michigan, Wisconsin.
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census. 1977 Census of Construction Industries: Geographic Area Series, East North Central States, Ohio, Indiana, Illinois, Michigan, Wisconsin.
MLA (9th ed.) CitationUnited States. Bureau of the Census. 1977 Census of Construction Industries: Geographic Area Series, East North Central States, Ohio, Indiana, Illinois, Michigan, Wisconsin.
Warning: These citations may not always be 100% accurate.