United States. Congress. House. Committee on Education and Labor. (2009). The importance of early childhood development: Hearing before the Committee on Education and Labor, U.S. House of Representatives, One Hundred Eleventh Congress, first session, hearing held in Washington, DC, March 17, 2009. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Education and Labor. The Importance of Early Childhood Development: Hearing Before the Committee on Education and Labor, U.S. House of Representatives, One Hundred Eleventh Congress, First Session, Hearing Held in Washington, DC, March 17, 2009. Washington: U.S. G.P.O., 2009.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Education and Labor. The Importance of Early Childhood Development: Hearing Before the Committee on Education and Labor, U.S. House of Representatives, One Hundred Eleventh Congress, First Session, Hearing Held in Washington, DC, March 17, 2009. U.S. G.P.O., 2009.