APA

United States, . (2008). Internal control review of the Government Purchase Card program. Washington, D.C: U.S. Securities and Exchange Commission, Office of Inspector General, Office of Audits.

Chicago

United States, . 2008. Internal control review of the Government Purchase Card program. Washington, D.C: U.S. Securities and Exchange Commission, Office of Inspector General, Office of Audits.

Harvard

United States, . (2008). Internal control review of the Government Purchase Card program. Washington, D.C: U.S. Securities and Exchange Commission, Office of Inspector General, Office of Audits.

MLA

United States, . Internal control review of the Government Purchase Card program. Washington, D.C: U.S. Securities and Exchange Commission, Office of Inspector General, Office of Audits. 2008.