APA (7 वां संस्करण) प्रशस्ति पत्र

Bender, P. S. (1976). Design and operation of customer service systems. AMACOM.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Bender, Paul S. Design and Operation of Customer Service Systems. New York: AMACOM, 1976.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Bender, Paul S. Design and Operation of Customer Service Systems. AMACOM, 1976.