Gupta, D. P. L. (1997). Parmeshwari Lal Gupta's coins and history: Of medieval India. Rahul Pub.
Chicago-referens (17:e uppl.)Gupta, Dr. Parmeshwari Lal. Parmeshwari Lal Gupta's Coins and History: Of Medieval India. Delhi: Rahul Pub, 1997.
MLA-referens (9:e uppl.)Gupta, Dr. Parmeshwari Lal. Parmeshwari Lal Gupta's Coins and History: Of Medieval India. Rahul Pub, 1997.
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