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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUniversity of Warwick. Centre for Modern African Studies, Coventry (Lanchester) Polytechnic. Centre for African Studies, Robin Cohen, এবং Harry Goulbourne. Democracy and Socialism in Africa. Boulder, Colo: Westview Press, 1991.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিUniversity of Warwick. Centre for Modern African Studies, et al. Democracy and Socialism in Africa. Westview Press, 1991.
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