APA (7 वां संस्करण) प्रशस्ति पत्र

Gupta, P. (1989). Geography from ancient Indian coins and: Seals. Concept.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Gupta, Parmanand. Geography from Ancient Indian Coins and: Seals. New Delhi: Concept, 1989.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Gupta, Parmanand. Geography from Ancient Indian Coins and: Seals. Concept, 1989.