APA aipamena

Zeithaml, V. (2010). Services marketing (4th.). Tata McGraw Hill pub co.

Chicago Style aipamena

Zeithaml, V. Services Marketing. 4th. New Delhi: Tata McGraw Hill pub co, 2010.

MLA aipamena

Zeithaml, V. Services Marketing. 4th. Tata McGraw Hill pub co, 2010.