United States. Bureau of Yards and Docks. (1962). Janitorial handbook: Engineered performance standards, public works maintenance (Revised edition.). Department of Defense, Navy Department, Bureau of Yards and Docks : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationUnited States. Bureau of Yards and Docks. Janitorial Handbook: Engineered Performance Standards, Public Works Maintenance. Revised edition. Washington: Department of Defense, Navy Department, Bureau of Yards and Docks : for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1962.
MLA (9th ed.) CitationUnited States. Bureau of Yards and Docks. Janitorial Handbook: Engineered Performance Standards, Public Works Maintenance. Revised edition. Department of Defense, Navy Department, Bureau of Yards and Docks : for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1962.