APA

United States, . (1999). Spamming, the e-mail you want to can: hearing before the Subcommittee on Telecommunications, Trade, and Consumer Protection of the Committee on Commerce, House of Representatives, One Hundred Sixth Congress, first session, November 3, 1999. Washington: U.S. Government Printing Office.

Chicago

United States, . 1999. Spamming, the e-mail you want to can: hearing before the Subcommittee on Telecommunications, Trade, and Consumer Protection of the Committee on Commerce, House of Representatives, One Hundred Sixth Congress, first session, November 3, 1999. Washington: U.S. Government Printing Office.

Harvard

United States, . (1999). Spamming, the e-mail you want to can: hearing before the Subcommittee on Telecommunications, Trade, and Consumer Protection of the Committee on Commerce, House of Representatives, One Hundred Sixth Congress, first session, November 3, 1999. Washington: U.S. Government Printing Office.

MLA

United States, . Spamming, the e-mail you want to can: hearing before the Subcommittee on Telecommunications, Trade, and Consumer Protection of the Committee on Commerce, House of Representatives, One Hundred Sixth Congress, first session, November 3, 1999. Washington: U.S. Government Printing Office. 1999.