United States. Federal Trade Commission. Division of Consumer and Business Education. (2008). Buying time: The facts about pre-paid phone cards. Federal Trade Commission, Bureau of Consumer Protection, Division of Consumer and Business Education.
Chicago Style (17th ed.) CitationUnited States. Federal Trade Commission. Division of Consumer and Business Education. Buying Time: The Facts About Pre-paid Phone Cards. [Washington, D.C.]: Federal Trade Commission, Bureau of Consumer Protection, Division of Consumer and Business Education, 2008.
MLA (9th ed.) CitationUnited States. Federal Trade Commission. Division of Consumer and Business Education. Buying Time: The Facts About Pre-paid Phone Cards. Federal Trade Commission, Bureau of Consumer Protection, Division of Consumer and Business Education, 2008.