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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUniversity of Allahabad. Dept. of Defence Studies এবং 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.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিUniversity of Allahabad. Dept. of Defence Studies এবং 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.