program, A. S. E. (1996). Coaching youth softball (second ed.). Human Kinetics.
芝加哥风格引文program, American Sports Education. Coaching Youth Softball. second ed. Champaign, Ill: Human Kinetics, 1996.
MLA引文program, American Sports Education. Coaching Youth Softball. second ed. Human Kinetics, 1996.
警告：这些引文格式不一定是100％准确.