Zeithaml, V. A. (2016). Services marketing: Integrating customer focus across the firm. McGraw-Hill Education.
Trích dẫn kiểu ChicagoZeithaml, Valarie A. Services Marketing: Integrating Customer Focus Across the Firm. McGraw-Hill Education, 2016.
Trích dẫn MLAZeithaml, Valarie A. Services Marketing: Integrating Customer Focus Across the Firm. McGraw-Hill Education, 2016.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.