Não informado. (1967). Caries Research. European Organization for Caries Research.
Chicago-referens (17:e uppl.)Não informado. Caries Research. Basel, Suíça: European Organization for Caries Research, 1967.
MLA-referens (8:e uppl.)Não informado. Caries Research. European Organization for Caries Research, 1967.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.