Buttle,Francis. (2009). Customer Relationship Management: Concepts and Tools. Butterworth - Heinmann.
Chicago Edition CitationButtle,Francis. Customer Relationship Management: Concepts and Tools. Oxord: Butterworth - Heinmann, 2009.
Cita MLAButtle,Francis. Customer Relationship Management: Concepts and Tools. Butterworth - Heinmann, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.