United States. Bureau of Labor Statistics
, Tillery, Winston L.
, Batlin, Carl A.
and Hanley, Edward F.
Characteristics of Construction Agreements, 1972-73 : Bulletin of the United States Bureau of Labor Statistics, No. 1819 ,
Washington, D.C:
For sale by the Supt. of Docs., U.S. Govt. Print. Off.,
1974, https://fraser.stlouisfed.org/title/4669,
accessed on October 7, 2024.