Não informado. (2003). The Journal of the National Dental Association. National Dental Association.
Chicago-referens (17:e uppl.)Não informado. The Journal of the National Dental Association. Chicago, Ill: National Dental Association, 2003.
MLA-referens (8:e uppl.)Não informado. The Journal of the National Dental Association. National Dental Association, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.