United States. Library of Congress & Library of Congress. Cataloging Policy and Support Office. (2007). Library of Congress classification. E-F. History, America (2007 ed.). Library of Congress, Cataloging Distribution Service.
Citace podle Chicago (17th ed.)United States. Library of Congress a Library of Congress. Cataloging Policy and Support Office. Library of Congress Classification. E-F. History, America. 2007 ed. Washington, D.C: Library of Congress, Cataloging Distribution Service, 2007.
Citace podle MLA (9th ed.)United States. Library of Congress a Library of Congress. Cataloging Policy and Support Office. Library of Congress Classification. E-F. History, America. 2007 ed. Library of Congress, Cataloging Distribution Service, 2007.
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