American University (Washington, D.C.). Foreign Area Studies, & Nelson, H. D. (1981). South Africa, a country study (2nd ed.). For sale by the Supt. of Docs., U.S. G.P.O..
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAmerican University (Washington, D.C.). Foreign Area Studies, এবং Harold D. Nelson. South Africa, a Country Study. 2nd ed. Washington, D.C.: For sale by the Supt. of Docs., U.S. G.P.O., 1981.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিAmerican University (Washington, D.C.). Foreign Area Studies, এবং Harold D. Nelson. South Africa, a Country Study. 2nd ed. For sale by the Supt. of Docs., U.S. G.P.O., 1981.
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