Rosen, J. (2018). William Howard Taft: The American Presidents Series: The 27th President, 1909-1913. Times Books, Henry Holt and Company.
Lua i Stíl Chicago (17ú heag.)Rosen, Jeffrey. William Howard Taft: The American Presidents Series: The 27th President, 1909-1913. New York: Times Books, Henry Holt and Company, 2018.
Lua MLA (9ú heag.)Rosen, Jeffrey. William Howard Taft: The American Presidents Series: The 27th President, 1909-1913. Times Books, Henry Holt and Company, 2018.
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