Cosby, M. (2005). Stretching & toning for flexibility & definition: A step-by-step guide; develop your elasticity; 20 minute workouts. Greenwich Editions.
Chicago-Zitierstil (17. Ausg.)Cosby, Melissa. Stretching & Toning for Flexibility & Definition: A Step-by-step Guide; Develop Your Elasticity; 20 Minute Workouts. London: Greenwich Editions, 2005.
MLA-Zitierstil (9. Ausg.)Cosby, Melissa. Stretching & Toning for Flexibility & Definition: A Step-by-step Guide; Develop Your Elasticity; 20 Minute Workouts. Greenwich Editions, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.