Christopher, M. (1991). Relationship marketing: Bringing quality, customer service, and marketing together. Oxford; Boston: Butterworth-Heinemann.
シカゴスタイル引用形Christopher, Martin. Relationship Marketing: Bringing Quality, Customer Service, and Marketing Together. Oxford; Boston: Butterworth-Heinemann, 1991.
MLA引用形式Christopher, Martin. Relationship Marketing: Bringing Quality, Customer Service, and Marketing Together. Oxford; Boston: Butterworth-Heinemann, 1991.
警告: この引用は必ずしも正確ではありません.