Christopher, M., Payne, A., & Ballantyne, D. (1991). Relationship marketing: Bringing quality customer service and marketing together. School of Management.
Chicago-Zitierstil (17. Ausg.)Christopher, Martin, Adrian Payne, und David Ballantyne. Relationship Marketing: Bringing Quality Customer Service and Marketing Together. Cranfield: School of Management, 1991.
MLA-Zitierstil (9. Ausg.)Christopher, Martin, et al. Relationship Marketing: Bringing Quality Customer Service and Marketing Together. School of Management, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.