Thwing, E. (1919). The life and meaning of Theodore Roosevelt. Current Literature Publishing Company.
Chicago-referens (17:e uppl.)Thwing, Eugene. The Life and Meaning of Theodore Roosevelt. New York: Current Literature Publishing Company, 1919.
MLA-referens (8:e uppl.)Thwing, Eugene. The Life and Meaning of Theodore Roosevelt. Current Literature Publishing Company, 1919.
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