Não informado. (1973). Community Dentistry and Oral Epidemiology. Munksgaard.
Lua i Stíl Chicago (17ú heag.)Não informado. Community Dentistry and Oral Epidemiology. Copenhagen: Munksgaard, 1973.
Lua MLA (8ú heag.)Não informado. Community Dentistry and Oral Epidemiology. Munksgaard, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.