APA সাইটেশন

Valarie A., Z., Mary, J. B., & Dwayne D., G. (2021). Services Marketing: Intergrating Customer Focus Across the Firm. McGraw Hall.

শিকাগো স্টাইলে সাইটেশন

Valarie A., Zeithaml, Jo Bitner Mary, এবং Gremler Dwayne D. Services Marketing: Intergrating Customer Focus Across the Firm. McGraw Hall, 2021.

এমএলএ সাইটেশন

Valarie A., Zeithaml, Jo Bitner Mary, এবং Gremler Dwayne D. Services Marketing: Intergrating Customer Focus Across the Firm. McGraw Hall, 2021.