United States. Congress. Senate. Committee on Environment and Public Works. (2015). Oversight of the GSA and energy efficiency in public buildings: Hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Eleventh Congress, first session, April 22, 2009. U.S. Government Publishing Office.
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Environment and Public Works. Oversight of the GSA and Energy Efficiency in Public Buildings: Hearing Before the Committee on Environment and Public Works, United States Senate, One Hundred Eleventh Congress, First Session, April 22, 2009. Washington: U.S. Government Publishing Office, 2015.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Environment and Public Works. Oversight of the GSA and Energy Efficiency in Public Buildings: Hearing Before the Committee on Environment and Public Works, United States Senate, One Hundred Eleventh Congress, First Session, April 22, 2009. U.S. Government Publishing Office, 2015.