United States. Government Accountability Office. (2013). Presidential helicopter acquisition: Program makes progress in balancing requirements, costs, and schedule : report to congressional committees. United States Government Accountability Office.
Chicago Style (17th ed.) CitationUnited States. Government Accountability Office. Presidential Helicopter Acquisition: Program Makes Progress in Balancing Requirements, Costs, and Schedule : Report to Congressional Committees. [Washington, D.C.]: United States Government Accountability Office, 2013.
MLA (9th ed.) CitationUnited States. Government Accountability Office. Presidential Helicopter Acquisition: Program Makes Progress in Balancing Requirements, Costs, and Schedule : Report to Congressional Committees. United States Government Accountability Office, 2013.