Tyson, K. W. (1997). Competition in the 21st century. St. Lucie Press.
芝加哥风格引文Tyson, Kirk W.M. Competition in the 21st Century. Delray Beach, FL: St. Lucie Press, 1997.
MLA引文Tyson, Kirk W.M. Competition in the 21st Century. St. Lucie Press, 1997.
警告：这些引文格式不一定是100％准确.