Brennan, R. C. (2011). Business to business marketing (2nd ed.). Sage.
Lua i Stíl Chicago (17ú heag.)Brennan, Ross; Canning. Business to Business Marketing. 2nd ed. New Delhi: Sage, 2011.
Lua MLA (9ú heag.)Brennan, Ross; Canning. Business to Business Marketing. 2nd ed. Sage, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.