United States. Congress. Senate. Committee on Foreign Relations. (2009). Global climate change: U.S. leadership for a new global agreement : hearing before the Committee on Foreign Relations, United States Senate, One Hundred Eleventh Congress, first session, April 22, 2009. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Foreign Relations. Global Climate Change: U.S. Leadership for a New Global Agreement : Hearing Before the Committee on Foreign Relations, United States Senate, One Hundred Eleventh Congress, First Session, April 22, 2009. Washington: U.S. G.P.O., 2009.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Foreign Relations. Global Climate Change: U.S. Leadership for a New Global Agreement : Hearing Before the Committee on Foreign Relations, United States Senate, One Hundred Eleventh Congress, First Session, April 22, 2009. U.S. G.P.O., 2009.