The Google-Yahoo! agreement and the future of Internet advertising : hearing before the Subcommittee on Antitrust, Competition Policy, and Consumer Rights of the Committee on the Judiciary, United States Senate, One Hundred Tenth Congress, second session, July 15, 2008.
Imprint
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2008.