United States. General Accounting Office. (1978). Increased competition can reduce elevator maintenance and cleaning service contract costs: Report to the Congress. General Accounting Office.
Chicago Style (17th ed.) CitationUnited States. General Accounting Office. Increased Competition Can Reduce Elevator Maintenance and Cleaning Service Contract Costs: Report to the Congress. [Washington]: General Accounting Office, 1978.
MLA (8th ed.) CitationUnited States. General Accounting Office. Increased Competition Can Reduce Elevator Maintenance and Cleaning Service Contract Costs: Report to the Congress. General Accounting Office, 1978.
Warning: These citations may not always be 100% accurate.