Bernthal, M.J. (2003). The effect of professional wrestling viewership on children. Sport Journal, 6.
2.
Bradbury, J.C. (2007) The baseball economist: The real game exposed. New York: Dutton.
3.
Timmerman, T.A. (2007). ``It was a thought pitch'': Personal, situational, and target influences on hit-by-pitch events across time. Journal of Applied Psychology, 92, 876-884.