United States. Federal Trade Commission. Division of Consumer and Business Education. (2010). The secrets of mystery shopping-- revealed. Federal Trade Commission, Bureau of Consumer Protection, Division of Consumer & Business Education.
Chicago Style (17th ed.) CitationUnited States. Federal Trade Commission. Division of Consumer and Business Education. The Secrets of Mystery Shopping-- Revealed. [Washington, D.C.]: Federal Trade Commission, Bureau of Consumer Protection, Division of Consumer & Business Education, 2010.
MLA (9th ed.) CitationUnited States. Federal Trade Commission. Division of Consumer and Business Education. The Secrets of Mystery Shopping-- Revealed. Federal Trade Commission, Bureau of Consumer Protection, Division of Consumer & Business Education, 2010.