Não informado. (1998). Journal of the Northern California Dental Assistants Association. Northern California Dental Assistants Association.
Chicago-referens (17:e uppl.)Não informado. Journal of the Northern California Dental Assistants Association. Oakland, Calif: Northern California Dental Assistants Association, 1998.
MLA-referens (8:e uppl.)Não informado. Journal of the Northern California Dental Assistants Association. Northern California Dental Assistants Association, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.