APA

United States, . (2015). Ending modern slavery: hearings before the Committee on Foreign Relations, United States Senate, One Hundred Fourteenth Congress, first session, February 4 and February 11, 2015. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2015. Ending modern slavery: hearings before the Committee on Foreign Relations, United States Senate, One Hundred Fourteenth Congress, first session, February 4 and February 11, 2015. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2015). Ending modern slavery: hearings before the Committee on Foreign Relations, United States Senate, One Hundred Fourteenth Congress, first session, February 4 and February 11, 2015. Washington: U.S. Government Publishing Office.

MLA

United States, . Ending modern slavery: hearings before the Committee on Foreign Relations, United States Senate, One Hundred Fourteenth Congress, first session, February 4 and February 11, 2015. Washington: U.S. Government Publishing Office. 2015.