United States. Congress. Senate. Committee on Foreign Relations & ProQuest (Firm). (1999). NATO's 50th anniversary summit: Hearing before the Committee on Foreign Relations, United States Senate, One Hundred Sixth Congress, first session, April 21, 1999. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Foreign Relations and ProQuest (Firm). NATO's 50th Anniversary Summit: Hearing Before the Committee on Foreign Relations, United States Senate, One Hundred Sixth Congress, First Session, April 21, 1999. Washington: U.S. G.P.O., 1999.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Foreign Relations and ProQuest (Firm). NATO's 50th Anniversary Summit: Hearing Before the Committee on Foreign Relations, United States Senate, One Hundred Sixth Congress, First Session, April 21, 1999. U.S. G.P.O., 1999.