Brennan, R. C. (2011). Business to business marketing (2nd ed.). Sage.
Chicago-viite (17. p.)Brennan, Ross; Canning. Business to Business Marketing. 2nd ed. New Delhi: Sage, 2011.
MLA-viite (9. p.)Brennan, Ross; Canning. Business to Business Marketing. 2nd ed. Sage, 2011.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.