APA (7 वां संस्करण) प्रशस्ति पत्र

Kapoor, V. (1999). Operations research problems and solutions (4th.). Sultan Chand.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Kapoor, V. Operations Research Problems and Solutions. 4th. New Delhi: Sultan Chand, 1999.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Kapoor, V. Operations Research Problems and Solutions. 4th. Sultan Chand, 1999.