Trích dẫn APA

Turnbull, P. W., Valla, J., & Valla, J. Strategies for international industrial marketing: The management of customer relationship in European industrial markets /Peter W. Turnbull, Jean-Paul Valla. Croom Helm.

Trích dẫn kiểu Chicago

Turnbull, Peter W., Jean-Paul Valla, và Jean-Paul  Valla. Strategies for International Industrial Marketing: The Management of Customer Relationship in European Industrial Markets /Peter W. Turnbull, Jean-Paul Valla. Croom Helm.

Trích dẫn MLA

Turnbull, Peter W., Jean-Paul Valla, và Jean-Paul  Valla. Strategies for International Industrial Marketing: The Management of Customer Relationship in European Industrial Markets /Peter W. Turnbull, Jean-Paul Valla. Croom Helm.

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