Tapp, A. (2001). Principles of direct and database marketing (2. ed.). Pearson Education.
Chicago Style (17th ed.) CitationTapp, Alan. Principles of Direct and Database Marketing. 2. ed. Harlow [u.a.]: Pearson Education, 2001.
MLA (9th ed.) CitationTapp, Alan. Principles of Direct and Database Marketing. 2. ed. Pearson Education, 2001.
Warning: These citations may not always be 100% accurate.