Keppel, A. (1987). Gun running and the Indian North-West Frontier. Gian.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKeppel, Arnold. Gun Running and the Indian North-West Frontier. Gian, 1987.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKeppel, Arnold. Gun Running and the Indian North-West Frontier. Gian, 1987.
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