ProQuest (Firm), Tyler, K., Patton, M., Mongiello, M., & Meyer, D. (2007). Business to business services: Multiple markets and multi-disciplinary perspectives for the twenty-first century. Bradford, England: Emerald Group Publishing.

ProQuest (Firm), Katherine Tyler, Mark Patton, Marco Mongiello, and Derek Meyer. Business to Business Services: Multiple Markets and Multi-disciplinary Perspectives for the Twenty-first Century. Bradford, England: Emerald Group Publishing, 2007.

ProQuest (Firm), et al. Business to Business Services: Multiple Markets and Multi-disciplinary Perspectives for the Twenty-first Century. Bradford, England: Emerald Group Publishing, 2007.