APA (7 वां संस्करण) प्रशस्ति पत्र

KAPOOR V.K. (1999). OPERATIONS RESEARCH - PROBLEMS & SOLUTIONS (4th.). Sultan Chand & Sons.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

KAPOOR V.K. OPERATIONS RESEARCH - PROBLEMS & SOLUTIONS. 4th. New Delhi: Sultan Chand & Sons, 1999.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

KAPOOR V.K. OPERATIONS RESEARCH - PROBLEMS & SOLUTIONS. 4th. Sultan Chand & Sons, 1999.