Buttle, F. (2009). Customer Relationship Management (7th.). Tata McGraw Hill.
芝加哥风格引文Buttle, Francis. Customer Relationship Management. 7th. New Delhi: Tata McGraw Hill, 2009.
MLA引文Buttle, Francis. Customer Relationship Management. 7th. Tata McGraw Hill, 2009.
警告：这些引文格式不一定是100％准确.