Gilbert, M. (2009). The Routledge atlas of American history (6th ed.). Routledge.
Tohutoru Kātū Chicago (17th ed.)Gilbert, Martin. The Routledge Atlas of American History. 6th ed. New York: Routledge, 2009.
Tohutoro MLA (9th ed.)Gilbert, Martin. The Routledge Atlas of American History. 6th ed. Routledge, 2009.
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