Watterson, J. S. (2006). The games presidents play: Sports and the presidency. Johns Hopkins University Press.
芝加哥风格引文Watterson, John Sayle. The Games Presidents Play: Sports and the Presidency. Baltimore: Johns Hopkins University Press, 2006.
MLA引文Watterson, John Sayle. The Games Presidents Play: Sports and the Presidency. Johns Hopkins University Press, 2006.
警告：这些引文格式不一定是100％准确.