Ellis Nick. (2011). Business to Business Marketing: Channels,Chains....vol.2. Sage.
Cita Chicago (17th ed.)Ellis Nick. Business to Business Marketing: Channels,Chains....vol.2. London: Sage, 2011.
Cita MLA (9th ed.)Ellis Nick. Business to Business Marketing: Channels,Chains....vol.2. Sage, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.