Παραπομπή σε μορφή APA (7η εκδ.)

ZEITHAML VALARIE A. (2000). SERVICES MARKETING: INTEGRATING CUSTOMER FOCUS ACROSS THE FIRM (2ND.). MCGRAW-HILL.

Παραπομπή σε μορφή Chicago (17η εκδ.)

ZEITHAML VALARIE A. SERVICES MARKETING: INTEGRATING CUSTOMER FOCUS ACROSS THE FIRM. 2ND. BOSTON: MCGRAW-HILL, 2000.

Παραπομπή σε μορφή MLA (9th εκδ.)

ZEITHAML VALARIE A. SERVICES MARKETING: INTEGRATING CUSTOMER FOCUS ACROSS THE FIRM. 2ND. MCGRAW-HILL, 2000.