APA

United States, . (2010). Human trafficking: hearing before the Commission on Security and Cooperation in Europe, One Hundred Tenth Congress, first session, October 11, 2007. Washington: U.S. G.P.O.

Chicago

United States, . 2010. Human trafficking: hearing before the Commission on Security and Cooperation in Europe, One Hundred Tenth Congress, first session, October 11, 2007. Washington: U.S. G.P.O.

Harvard

United States, . (2010). Human trafficking: hearing before the Commission on Security and Cooperation in Europe, One Hundred Tenth Congress, first session, October 11, 2007. Washington: U.S. G.P.O.

MLA

United States, . Human trafficking: hearing before the Commission on Security and Cooperation in Europe, One Hundred Tenth Congress, first session, October 11, 2007. Washington: U.S. G.P.O. 2010.