United States. Government Accountability Office. (2013). 2012 lobbying disclosure: Observations on lobbyists' compliance with disclosure requirements : report to congressional committees. United States Government Accountability Office.
Chicago Style (17th ed.) CitationUnited States. Government Accountability Office. 2012 Lobbying Disclosure: Observations on Lobbyists' Compliance with Disclosure Requirements : Report to Congressional Committees. [Washington, D.C.]: United States Government Accountability Office, 2013.
MLA (9th ed.) CitationUnited States. Government Accountability Office. 2012 Lobbying Disclosure: Observations on Lobbyists' Compliance with Disclosure Requirements : Report to Congressional Committees. United States Government Accountability Office, 2013.