United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Telecommunications and the Internet. (2008). Online virtual worlds: Applications and avatars in a user-generated medium : hearing before the Subcommittee on Telecommunications and the Internet of the Committee on Energy and Commerce, House of Representatives, One Hundred Tenth Congress, second session, April 1, 2008. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Energy and Commerce. Subcommittee on Telecommunications and the Internet. Online Virtual Worlds: Applications and Avatars in a User-generated Medium : Hearing Before the Subcommittee on Telecommunications and the Internet of the Committee on Energy and Commerce, House of Representatives, One Hundred Tenth Congress, Second Session, April 1, 2008. Washington: U.S. G.P.O., 2008.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Energy and Commerce. Subcommittee on Telecommunications and the Internet. Online Virtual Worlds: Applications and Avatars in a User-generated Medium : Hearing Before the Subcommittee on Telecommunications and the Internet of the Committee on Energy and Commerce, House of Representatives, One Hundred Tenth Congress, Second Session, April 1, 2008. U.S. G.P.O., 2008.