Dyfyniad APA

American Journal of Sports Medicine. American Orthopedic Society for Sports Medicine.

Dyfyniad Arddull Chicago

American Journal of Sports Medicine. Waltham: American Orthopedic Society for Sports Medicine.

Dyfyniad MLA

American Journal of Sports Medicine. American Orthopedic Society for Sports Medicine.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.