Bartlett, R. A. (1974). The new country: A social history of the American frontier, 1776-1890. Tata McGraw-Hill.
Tohutoru Kātū Chicago (17th ed.)Bartlett, Richard A. The New Country: A Social History of the American Frontier, 1776-1890. New Delhi: Tata McGraw-Hill, 1974.
Tohutoro MLA (9th ed.)Bartlett, Richard A. The New Country: A Social History of the American Frontier, 1776-1890. Tata McGraw-Hill, 1974.
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