Cita APA (7a ed.)

Zeithaml,Valarie A. (2018). Services Marketing (7th.). Tata McGraw Hill Education.

Cita Chicago Style (17a ed.)

Zeithaml,Valarie A. Services Marketing. 7th. Chennai: Tata McGraw Hill Education, 2018.

Cita MLA (9a ed.)

Zeithaml,Valarie A. Services Marketing. 7th. Tata McGraw Hill Education, 2018.