Buttle, F. (2009). Customer relationship management: Concepts and technologies (2nd ed.). Butterworth-Heinemann.
Citación estilo ChicagoButtle, Francis. Customer Relationship Management: Concepts and Technologies. 2nd ed. Oxford: Butterworth-Heinemann, 2009.
Cita MLAButtle, Francis. Customer Relationship Management: Concepts and Technologies. 2nd ed. Butterworth-Heinemann, 2009.
Warning: These citations may not always be 100% accurate.