Buttle, F. (2009). Customer Relationship Management (7th.). Tata McGraw Hill.
Chicago Style (17th ed.) CitationButtle, 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:這些引文格式不一定是100%准確.