Frederick, A., & Frederick, C. (2017). Stretch to win (Second edition.). Human Kinetics.
芝加哥风格引文Frederick, Ann, 与 Chris Frederick. Stretch to Win. Second edition. Champaign, IL: Human Kinetics, 2017.
MLA引文Frederick, Ann, 与 Chris Frederick. Stretch to Win. Second edition. Human Kinetics, 2017.
警告：这些引文格式不一定是100％准确.