(2005). American perspectives: The United States in the Modern Age. Washington, D.C: United States Department of State.
Chicago-tyylinen lähdeviittausAmerican Perspectives: The United States in the Modern Age. Washington, D.C: United States Department of State, 2005.
MLA-viiteAmerican Perspectives: The United States in the Modern Age. Washington, D.C: United States Department of State, 2005.
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