APA

United States, . (2016). Protecting America's workers: an enforcement update from the Mine Safety and Health Administration : hearing before the Subcommittee on Workforce Protections, Committee on Education and the Workforce, U.S. House of Representatives, One Hundred Fourteenth Congress, first session, hearing held in Washington, DC, April 23, 2015. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2016. Protecting America's workers: an enforcement update from the Mine Safety and Health Administration : hearing before the Subcommittee on Workforce Protections, Committee on Education and the Workforce, U.S. House of Representatives, One Hundred Fourteenth Congress, first session, hearing held in Washington, DC, April 23, 2015. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2016). Protecting America's workers: an enforcement update from the Mine Safety and Health Administration : hearing before the Subcommittee on Workforce Protections, Committee on Education and the Workforce, U.S. House of Representatives, One Hundred Fourteenth Congress, first session, hearing held in Washington, DC, April 23, 2015. Washington: U.S. Government Publishing Office.

MLA

United States, . Protecting America's workers: an enforcement update from the Mine Safety and Health Administration : hearing before the Subcommittee on Workforce Protections, Committee on Education and the Workforce, U.S. House of Representatives, One Hundred Fourteenth Congress, first session, hearing held in Washington, DC, April 23, 2015. Washington: U.S. Government Publishing Office. 2016.