Callahan, R. (1972). The East India Company and army reform: 1783-1798. Harvard University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCallahan, Raymond. The East India Company and Army Reform: 1783-1798. Harvard University Press, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCallahan, Raymond. The East India Company and Army Reform: 1783-1798. Harvard University Press, 1972.
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