American Association for Health, Physical Education, and Recreation. (1964). Suggested school safety policies: Accident prevention in physical education, athletics & recreation. s.n.
Citazione stile Chigago Style (17a edizione)American Association for Health, Physical Education, and Recreation. Suggested School Safety Policies: Accident Prevention in Physical Education, Athletics & Recreation. Washington: s.n, 1964.
Citatione MLA (9a ed.)American Association for Health, Physical Education, and Recreation. Suggested School Safety Policies: Accident Prevention in Physical Education, Athletics & Recreation. s.n, 1964.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.