Stier, W. F. (1999). Managing sport, fitness, and recreation programs: Concepts and practices. Boston: Allyn and Bacon.
Παραπομπή Chicago StyleStier, William F. Managing Sport, Fitness, and Recreation Programs: Concepts and Practices. Boston: Allyn and Bacon, 1999.
Παραπομπή MLAStier, William F. Managing Sport, Fitness, and Recreation Programs: Concepts and Practices. Boston: Allyn and Bacon, 1999.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.