APA

United States, . (2015). Combating sexual exploitation of children: strengthening international law enforcement cooperation : hearing before the Commission on Security and Cooperation in Europe, One Hundred Tenth Congress, second session, June 17, 2008. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2015. Combating sexual exploitation of children: strengthening international law enforcement cooperation : hearing before the Commission on Security and Cooperation in Europe, One Hundred Tenth Congress, second session, June 17, 2008. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2015). Combating sexual exploitation of children: strengthening international law enforcement cooperation : hearing before the Commission on Security and Cooperation in Europe, One Hundred Tenth Congress, second session, June 17, 2008. Washington: U.S. Government Publishing Office.

MLA

United States, . Combating sexual exploitation of children: strengthening international law enforcement cooperation : hearing before the Commission on Security and Cooperation in Europe, One Hundred Tenth Congress, second session, June 17, 2008. Washington: U.S. Government Publishing Office. 2015.