APA (7 वां संस्करण) प्रशस्ति पत्र

Hoffman, K. (2006). Services marketing: Concepts, strategies and cases (3rd.). Thomson South- Western Publ.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Hoffman, K. Services Marketing: Concepts, Strategies and Cases. 3rd. Delhi: Thomson South- Western Publ, 2006.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Hoffman, K. Services Marketing: Concepts, Strategies and Cases. 3rd. Thomson South- Western Publ, 2006.