Christopher, M. (1991). Relationship marketing: Bringing quality customer service and marketing together. Butterworth-Heinemann.
Citação do estilo Chicago (17ª ed.)Christopher, Martin. Relationship Marketing: Bringing Quality Customer Service and Marketing Together. Oxford: Butterworth-Heinemann, 1991.
Citação MLA (9ª ed.)Christopher, Martin. Relationship Marketing: Bringing Quality Customer Service and Marketing Together. Butterworth-Heinemann, 1991.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.