JAIN J N. (2007). MODERN MARKETING OF SERVICES: PRINCIPLES AND TECHNIQUES. REGAL PUBLICATIONS.
Chicago Style aipamenaJAIN J N. MODERN MARKETING OF SERVICES: PRINCIPLES AND TECHNIQUES. NEW DELHI: REGAL PUBLICATIONS, 2007.
MLA aipamenaJAIN J N. MODERN MARKETING OF SERVICES: PRINCIPLES AND TECHNIQUES. REGAL PUBLICATIONS, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.