Walker, D. M. (2006). Global War on Terrorism: Observations on funding, costs, and future commitments : testimony before the Subcommittee on National Security, Emerging Threats, and International Relations, Committee on Government Reform, House of Representatives. U.S. Government Accountability Office.
Chicago Style (17th ed.) CitationWalker, David M. Global War on Terrorism: Observations on Funding, Costs, and Future Commitments : Testimony Before the Subcommittee on National Security, Emerging Threats, and International Relations, Committee on Government Reform, House of Representatives. [Washington, D.C.]: U.S. Government Accountability Office, 2006.
MLA (9th ed.) CitationWalker, David M. Global War on Terrorism: Observations on Funding, Costs, and Future Commitments : Testimony Before the Subcommittee on National Security, Emerging Threats, and International Relations, Committee on Government Reform, House of Representatives. U.S. Government Accountability Office, 2006.