Tapp Alan. (2012). Principles of Direct and Database Marketing (4th.). Peason.
Chicago Style (17th ed.) CitationTapp Alan. Principles of Direct and Database Marketing. 4th. New Delhi: Peason, 2012.
MLA (9th ed.) CitationTapp Alan. Principles of Direct and Database Marketing. 4th. Peason, 2012.
Warning: These citations may not always be 100% accurate.