Putting safety first : strengthening enforcement and creating a culture of compliance at mines and other dangerous workplaces : hearing of the Committee on Health, Education, Labor, and Pensions, United States Senate, One Hundred Eleventh Congress, second session ... April 27, 2010.

MLA

United States. Putting safety first : strengthening enforcement and creating a culture of compliance at mines and other dangerous workplaces : hearing of the Committee on Health, Education, Labor, and Pensions, United States Senate, One Hundred Eleventh Congress, second session ... April 27, 2010. Washington : U.S. G.P.O., 2011.

APA

United States. (2011). Putting safety first : strengthening enforcement and creating a culture of compliance at mines and other dangerous workplaces : hearing of the Committee on Health, Education, Labor, and Pensions, United States Senate, One Hundred Eleventh Congress, second session ... April 27, 2010. Washington : U.S. G.P.O..

Chicago

United States. Putting safety first : strengthening enforcement and creating a culture of compliance at mines and other dangerous workplaces : hearing of the Committee on Health, Education, Labor, and Pensions, United States Senate, One Hundred Eleventh Congress, second session ... April 27, 2010. Washington : U.S. G.P.O., 2011.