American Sport Education Program. (1996). Coaching youth softball (2nd ed.). Human Kinetics.
芝加哥风格引文American Sport Education Program. Coaching Youth Softball. 2nd ed. Champaign, IL: Human Kinetics, 1996.
MLA引文American Sport Education Program. Coaching Youth Softball. 2nd ed. Human Kinetics, 1996.
警告：这些引文格式不一定是100％准确.