Ellis Nick. (2011). Business to Business Marketing: B 2B Marketing Programmes vol.4. Sage.
Citazione stile Chigago Style (17a edizione)Ellis Nick. Business to Business Marketing: B 2B Marketing Programmes Vol.4. London: Sage, 2011.
Citatione MLA (9a ed.)Ellis Nick. Business to Business Marketing: B 2B Marketing Programmes Vol.4. Sage, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.