Zeithaml, V. A., Salas, J., Bitner, M. J., & Brown, S. W. (2014). Profiting from services and solutions: What product-centric firms need to know (First edition.). Business Expert Press.
Chicago-Zitierstil (17. Ausg.)Zeithaml, Valarie A., Jim Salas, Mary Jo Bitner, und Stephen Walter Brown. Profiting from Services and Solutions: What Product-centric Firms Need to Know. First edition. New York, New York (222 East 46th Street, New York, NY 10017): Business Expert Press, 2014.
MLA-Zitierstil (9. Ausg.)Zeithaml, Valarie A., et al. Profiting from Services and Solutions: What Product-centric Firms Need to Know. First edition. Business Expert Press, 2014.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.