United States. Congress. House. Committee on Education and Labor. (2010). H.R. 6172: Protecting student athletes from concussions : hearing before the Committee on Education and Labor, U.S. House of Representatives, One Hundred Eleventh Congress, second session, hearing held in Washington, DC, September 23, 2010. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Education and Labor. H.R. 6172: Protecting Student Athletes from Concussions : Hearing Before the Committee on Education and Labor, U.S. House of Representatives, One Hundred Eleventh Congress, Second Session, Hearing Held in Washington, DC, September 23, 2010. Washington: U.S. G.P.O., 2010.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Education and Labor. H.R. 6172: Protecting Student Athletes from Concussions : Hearing Before the Committee on Education and Labor, U.S. House of Representatives, One Hundred Eleventh Congress, Second Session, Hearing Held in Washington, DC, September 23, 2010. U.S. G.P.O., 2010.