Watterson, J. S. (2006). The games presidents play: Sports and the presidency. Johns Hopkins University Press.
Lua i Stíl Chicago (17ú heag.)Watterson, John Sayle. The Games Presidents Play: Sports and the Presidency. Baltimore: Johns Hopkins University Press, 2006.
Lua MLA (9ú heag.)Watterson, John Sayle. The Games Presidents Play: Sports and the Presidency. Johns Hopkins University Press, 2006.
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