Bishop, J. B. (1920). Theodore roosevelt and his time: Shown in his own letters. New York: Charles Scribner's Son's.
Chicago-tyylinen lähdeviittausBishop, Joseph Bucklin. Theodore Roosevelt and His Time: Shown in His Own Letters. New York: Charles Scribner's Son's, 1920.
MLA-viiteBishop, Joseph Bucklin. Theodore Roosevelt and His Time: Shown in His Own Letters. New York: Charles Scribner's Son's, 1920.
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