Gupta, P. (1989). Geography from ancient Indian coins and: Seals. Concept.
Lua i Stíl Chicago (17ú heag.)Gupta, Parmanand. Geography from Ancient Indian Coins and: Seals. New Delhi: Concept, 1989.
Lua MLA (9ú heag.)Gupta, Parmanand. Geography from Ancient Indian Coins and: Seals. Concept, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.