American Association of School Physicians & American School Health Association. The Journal of school health. American Association of School Physicians.
Cita Chicago (17th ed.)American Association of School Physicians i American School Health Association. The Journal of School Health. Columbus, Ohio: American Association of School Physicians.
Cita MLA (9th ed.)American Association of School Physicians i American School Health Association. The Journal of School Health. American Association of School Physicians.
Atenció: Aquestes cites poden no estar 100% correctes.