APA

United States, . (2004). Complying with the telemarketing sales rule. Washington, D.C. (600 Pennsylvania Ave., N.W., Washington 20580): Federal Trade Commission.

Chicago

United States, . 2004. Complying with the telemarketing sales rule. Washington, D.C. (600 Pennsylvania Ave., N.W., Washington 20580): Federal Trade Commission.

Harvard

United States, . (2004). Complying with the telemarketing sales rule. Washington, D.C. (600 Pennsylvania Ave., N.W., Washington 20580): Federal Trade Commission.

MLA

United States, . Complying with the telemarketing sales rule. Washington, D.C. (600 Pennsylvania Ave., N.W., Washington 20580): Federal Trade Commission. 2004.