Não informado. (1978). Physical Fitness / Sports Medicine. President's Council on Physical Fitness & Sports.
Chicago-Zitierstil (17. Ausg.)Não informado. Physical Fitness / Sports Medicine. Washington: President's Council on Physical Fitness & Sports, 1978.
MLA-Zitierstil (8. Ausg.)Não informado. Physical Fitness / Sports Medicine. President's Council on Physical Fitness & Sports, 1978.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.