Verma, H. (1978). Medieval Routes to India: Baghdad to Delhi: A study of trade and military routes. Naya Prokash.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVerma, H.C. Medieval Routes to India: Baghdad to Delhi: A Study of Trade and Military Routes. Naya Prokash, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVerma, H.C. Medieval Routes to India: Baghdad to Delhi: A Study of Trade and Military Routes. Naya Prokash, 1978.
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