University of Allahabad. Dept. of Defence Studies & Khanna, D. D. (1979). Strategic environment in South Asia during the 1980s. Published by Darbari Udjog on behalf of University of Allahabad, Dept. of Defence Studies ; distributor, Naya Prokash.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUniversity of Allahabad. Dept. of Defence Studies और D. D. Khanna. Strategic Environment in South Asia During the 1980s. Ganganagar, 24 Parganas, West Bengal : Calcutta: Published by Darbari Udjog on behalf of University of Allahabad, Dept. of Defence Studies ; distributor, Naya Prokash, 1979.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUniversity of Allahabad. Dept. of Defence Studies और D. D. Khanna. Strategic Environment in South Asia During the 1980s. Published by Darbari Udjog on behalf of University of Allahabad, Dept. of Defence Studies ; distributor, Naya Prokash, 1979.