Dyfyniad APA

Ellis Nick. (2011). Business to Business Marketing: B 2B Marketing Programmes vol.4. Sage.

Dyfyniad Arddull Chicago

Ellis Nick. Business to Business Marketing: B 2B Marketing Programmes Vol.4. London: Sage, 2011.

Dyfyniad MLA

Ellis Nick. Business to Business Marketing: B 2B Marketing Programmes Vol.4. Sage, 2011.

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