Não informado. (1980). Compendium of Continuing Education in Dentistry. Dental Learning Systems.
Lua i Stíl Chicago (17ú heag.)Não informado. Compendium of Continuing Education in Dentistry. Newtown, Pa: Dental Learning Systems, 1980.
Lua MLA (8ú heag.)Não informado. Compendium of Continuing Education in Dentistry. Dental Learning Systems, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.