Buttle, F. (2015). Customer Relationship Management (3rd.). Routledge.
芝加哥风格引文Buttle, Francis. Customer Relationship Management. 3rd. Mumbai: Routledge, 2015.
MLA引文Buttle, Francis. Customer Relationship Management. 3rd. Routledge, 2015.
警告：这些引文格式不一定是100％准确.