Buttle, F. (2009). Customer relationship management: Concepts and technologies (2nd ed.). Routledge.
Stile di citazione ChicagoButtle, Francis. Customer Relationship Management: Concepts and Technologies. 2nd ed. New York: Routledge, 2009.
Citazione MLAButtle, Francis. Customer Relationship Management: Concepts and Technologies. 2nd ed. Routledge, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.