United States. Bureau of the Census. 1977 census of construction industries: Geographic area series, Pacific States, Washington, Oregon, California, Alaska, Hawaii.
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census. 1977 Census of Construction Industries: Geographic Area Series, Pacific States, Washington, Oregon, California, Alaska, Hawaii.
MLA (9th ed.) CitationUnited States. Bureau of the Census. 1977 Census of Construction Industries: Geographic Area Series, Pacific States, Washington, Oregon, California, Alaska, Hawaii.
Warning: These citations may not always be 100% accurate.