United States. Congress. Senate. Committee on Foreign Relations. Subcommittee on International Development and Foreign Assistance, E. A. (2010). USAID in the 21st century: Hearing before the Subcommittee on International Development and Foreign Assistance, Economic Affairs, and International Environmental Protection of the Committee on Foreign Relations, United States Senate, One Hundred Eleventh Congress, first session, April 1, 2009. Washington: U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O..

United States. Congress. Senate. Committee on Foreign Relations. Subcommittee on International Development and Foreign Assistance, Economic Affairs. USAID in the 21st Century: Hearing Before the Subcommittee On International Development and Foreign Assistance, Economic Affairs, and International Environmental Protection of the Committee On Foreign Relations, United States Senate, One Hundred Eleventh Congress, First Session, April 1, 2009. Washington: U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2010.

United States. Congress. Senate. Committee on Foreign Relations. Subcommittee on International Development and Foreign Assistance, Economic Affairs. USAID in the 21st Century: Hearing Before the Subcommittee On International Development and Foreign Assistance, Economic Affairs, and International Environmental Protection of the Committee On Foreign Relations, United States Senate, One Hundred Eleventh Congress, First Session, April 1, 2009. Washington: U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2010.