Frederick, A., & Frederick, C. (2017). Stretch to win (Second edition.). Human Kinetics.
Chicago (17e ed.) BronvermeldingFrederick, Ann, en Chris Frederick. Stretch to Win. Second edition. Champaign, IL: Human Kinetics, 2017.
MLA (9e ed.) BronvermeldingFrederick, Ann, en Chris Frederick. Stretch to Win. Second edition. Human Kinetics, 2017.
Let op: Deze citaties zijn niet altijd 100% accuraat.