توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

ZEITHAML VALARIE A; BITNER MARY JO; GREMLER DWAYNE D; PANDIT AJAY. (2016). SERVICES MARKETING: INTEGRATING CUSTOMER FOCUS ACROSS THE FIRM (6TH.). MC GRAW HILL EDUCATION.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

ZEITHAML VALARIE A; BITNER MARY JO; GREMLER DWAYNE D; PANDIT AJAY. SERVICES MARKETING: INTEGRATING CUSTOMER FOCUS ACROSS THE FIRM. 6TH. NEW DELHI: MC GRAW HILL EDUCATION, 2016.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

ZEITHAML VALARIE A; BITNER MARY JO; GREMLER DWAYNE D; PANDIT AJAY. SERVICES MARKETING: INTEGRATING CUSTOMER FOCUS ACROSS THE FIRM. 6TH. MC GRAW HILL EDUCATION, 2016.