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Чикаго-гийн эшлэл (17 дахь хэвлэлт)An Outline of American History. [Washington, D.C.]: Office of International Information Programs, United States Department of State, 1994.
MLA -ийн эшлэл (9 дэх хэвлэлт)An Outline of American History. Office of International Information Programs, United States Department of State, 1994.
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