United States. General Accounting Office & ProQuest (Firm). (2004). Aviation Security: Further Steps Needed To Strengthen the Security of Commercial Airport Perimeters and Access Controls. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. General Accounting Office and ProQuest (Firm). Aviation Security: Further Steps Needed To Strengthen the Security of Commercial Airport Perimeters and Access Controls. Washington: U.S. G.P.O., 2004.
MLA (9th ed.) CitationUnited States. General Accounting Office and ProQuest (Firm). Aviation Security: Further Steps Needed To Strengthen the Security of Commercial Airport Perimeters and Access Controls. U.S. G.P.O., 2004.
Warning: These citations may not always be 100% accurate.