Tapp, A. (2012). Principles of Direct and Database Marketing (4th.). Pearson.
芝加哥风格引文Tapp, Alan. Principles of Direct and Database Marketing. 4th. Pearson, 2012.
MLA引文Tapp, Alan. Principles of Direct and Database Marketing. 4th. Pearson, 2012.
警告：这些引文格式不一定是100％准确.