Kuebker, W. A., Morrow, R. M., & Cohen, P. A. (1986). Do mouth-formed mouth guards meet the NCAA rules? The physician and sportsmedicine, 14(6), S. 69-74. doi:10.1080/00913847.1986.11709100

Kuebker, William A., Robert M. Morrow, and Peter A. Cohen. "Do Mouth-formed Mouth Guards Meet the NCAA Rules?" The Physician and Sportsmedicine 14, no. 6 (1986): S. 69-74.

Kuebker, William A., Robert M. Morrow, and Peter A. Cohen. "Do Mouth-formed Mouth Guards Meet the NCAA Rules?" The Physician and Sportsmedicine 14.6 (1986): S. 69-74.