Coffman, S. (2007). Successful programs for fitness and health clubs: 101 profitable ideas. Champaign, IL: Human Kinetics.
Chicago ZitierstilCoffman, Sandy. Successful Programs for Fitness and Health Clubs: 101 Profitable Ideas. Champaign, IL: Human Kinetics, 2007.
MLA ZitierstilCoffman, Sandy. Successful Programs for Fitness and Health Clubs: 101 Profitable Ideas. Champaign, IL: Human Kinetics, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.