Zeithaml, V. A. (2003). Services marketing ed.3. McGraw-Hill.
Chicago Style (17th ed.) CitationZeithaml, Valarie A. Services Marketing Ed.3. McGraw-Hill, 2003.
Cita MLAZeithaml, Valarie A. Services Marketing Ed.3. McGraw-Hill, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.