APA
Zeithaml V. &. B. M. J., . (2000). Services marketing : integrating customer focus across the firm. Tata McGraw Hill, New Delhi: .
Chicago
Zeithaml Valarie & Bitner Mary Jo, . 2000. Services marketing : integrating customer focus across the firm. Tata McGraw Hill, New Delhi: .
Harvard
Zeithaml V. &. B. M. J., . (2000). Services marketing : integrating customer focus across the firm. Tata McGraw Hill, New Delhi: .
MLA
Zeithaml Valarie & Bitner Mary Jo, . Services marketing : integrating customer focus across the firm. Tata McGraw Hill, New Delhi: . 2000.