Não informado. (1980). Compendium of Continuing Education in Dentistry. Dental Learning Systems.
Cita Chicago Style (17a ed.)Não informado. Compendium of Continuing Education in Dentistry. Newtown, Pa: Dental Learning Systems, 1980.
Cita MLA (8a ed.)Não informado. Compendium of Continuing Education in Dentistry. Dental Learning Systems, 1980.
Precaución: Estas citas no son 100% exactas.