Não informado. (1978). Physical Fitness / Sports Medicine. President's Council on Physical Fitness & Sports.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Physical Fitness / Sports Medicine. Washington: President's Council on Physical Fitness & Sports, 1978.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Physical Fitness / Sports Medicine. President's Council on Physical Fitness & Sports, 1978.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.