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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিWorld Health Organization. Regional Office for South-East Asia. Collaboration in Health Development in South-East Asia, 1948-1988: Fortieth Anniversary Volume, Revised. Rev. ed., 1992. New Delhi: World Health Organization, Regional Office for South-East Asia, 1992.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিWorld Health Organization. Regional Office for South-East Asia. Collaboration in Health Development in South-East Asia, 1948-1988: Fortieth Anniversary Volume, Revised. Rev. ed., 1992. World Health Organization, Regional Office for South-East Asia, 1992.