Não informado. (2001). Journal of Oral Science. Nihon University School of Dentistry.
Chicago-referens (17:e uppl.)Não informado. Journal of Oral Science. Tokyo: Nihon University School of Dentistry, 2001.
MLA-referens (8:e uppl.)Não informado. Journal of Oral Science. Nihon University School of Dentistry, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.