APA (7 वां संस्करण) प्रशस्ति पत्र

Walker, J. R. (2019). Restaurant concepts, management and operations (Eighth Edition, Asia regional edition.). John Wiley & Sons.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Walker, John R. Restaurant Concepts, Management and Operations. Eighth Edition, Asia regional edition. Hoboken, NJ: John Wiley & Sons, 2019.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Walker, John R. Restaurant Concepts, Management and Operations. Eighth Edition, Asia regional edition. John Wiley & Sons, 2019.