United States. Government Accountability Office, ProQuest (Firm), & United States. Office of Commissioner of Internal Revenue. (2009). Information security: Continued efforts needed to address significant weaknesses at IRS : report to the Commissioner of Internal Revenue. U.S. Govt. Accountability Office.
Chicago Style (17th ed.) CitationUnited States. Government Accountability Office, ProQuest (Firm), and United States. Office of Commissioner of Internal Revenue. Information Security: Continued Efforts Needed to Address Significant Weaknesses at IRS : Report to the Commissioner of Internal Revenue. [Washington, D.C.]: U.S. Govt. Accountability Office, 2009.
MLA (9th ed.) CitationUnited States. Government Accountability Office, et al. Information Security: Continued Efforts Needed to Address Significant Weaknesses at IRS : Report to the Commissioner of Internal Revenue. U.S. Govt. Accountability Office, 2009.