Não informado. (1998). Journal of the Northern California Dental Assistants Association. Northern California Dental Assistants Association.
Chicago-Zitierstil (17. Ausg.)Não informado. Journal of the Northern California Dental Assistants Association. Oakland, Calif: Northern California Dental Assistants Association, 1998.
MLA-Zitierstil (8. Ausg.)Não informado. Journal of the Northern California Dental Assistants Association. Northern California Dental Assistants Association, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.