Buttle,Francis. (2009). Customer Relationship Management: Concepts and Tools. Butterworth - Heinmann.
Citación estilo ChicagoButtle,Francis. Customer Relationship Management: Concepts and Tools. Oxord: Butterworth - Heinmann, 2009.
Cita MLAButtle,Francis. Customer Relationship Management: Concepts and Tools. Butterworth - Heinmann, 2009.
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