APA

United States, . (2015). Challenge to Europe: the growing refugee crisis : hearing before Subcommittee on Europe, Eurasia, and Emerging Threats of the Committee on Foreign Affairs, House of Representatives, One Hundred Fourteenth Congress, first session, November 4, 2015. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2015. Challenge to Europe: the growing refugee crisis : hearing before Subcommittee on Europe, Eurasia, and Emerging Threats of the Committee on Foreign Affairs, House of Representatives, One Hundred Fourteenth Congress, first session, November 4, 2015. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2015). Challenge to Europe: the growing refugee crisis : hearing before Subcommittee on Europe, Eurasia, and Emerging Threats of the Committee on Foreign Affairs, House of Representatives, One Hundred Fourteenth Congress, first session, November 4, 2015. Washington: U.S. Government Publishing Office.

MLA

United States, . Challenge to Europe: the growing refugee crisis : hearing before Subcommittee on Europe, Eurasia, and Emerging Threats of the Committee on Foreign Affairs, House of Representatives, One Hundred Fourteenth Congress, first session, November 4, 2015. Washington: U.S. Government Publishing Office. 2015.