Buttle, F. (2009). Customer relationship management: Concepts and technologies (2nd ed.). Routledge.
Chicago Style citaatButtle, Francis. Customer Relationship Management: Concepts and Technologies. 2nd ed. New York: Routledge, 2009.
MLA citatieButtle, Francis. Customer Relationship Management: Concepts and Technologies. 2nd ed. Routledge, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.