APA

United States, . (2020). The humanitarian impact of eight years of war in Syria: hearing before the committee on Foreign Relations, United States Senate, One Hundred Sixteenth Congress, first session, May 1, 2019. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2020. The humanitarian impact of eight years of war in Syria: hearing before the committee on Foreign Relations, United States Senate, One Hundred Sixteenth Congress, first session, May 1, 2019. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2020). The humanitarian impact of eight years of war in Syria: hearing before the committee on Foreign Relations, United States Senate, One Hundred Sixteenth Congress, first session, May 1, 2019. Washington: U.S. Government Publishing Office.

MLA

United States, . The humanitarian impact of eight years of war in Syria: hearing before the committee on Foreign Relations, United States Senate, One Hundred Sixteenth Congress, first session, May 1, 2019. Washington: U.S. Government Publishing Office. 2020.