Offstein, E. H., Morwick, J. M., & Griffith, S. W. (2009). Gridiron leadership: Winning strategies and breakthrough tactics. Praeger.
芝加哥风格引文Offstein, Evan H., Jason M. Morwick, 与 Scott W. Griffith. Gridiron Leadership: Winning Strategies and Breakthrough Tactics. Santa Barbara, CA: Praeger, 2009.
MLA引文Offstein, Evan H., et al. Gridiron Leadership: Winning Strategies and Breakthrough Tactics. Praeger, 2009.
警告:这些引文格式不一定是100%准确.