Não informado. (1971). NCSDHA dental hygienist. Northern Californis State Dental Hygienists.
Lua i Stíl Chicago (17ú heag.)Não informado. NCSDHA Dental Hygienist. San Francisco, Calif: Northern Californis State Dental Hygienists, 1971.
Lua MLA (8ú heag.)Não informado. NCSDHA Dental Hygienist. Northern Californis State Dental Hygienists, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.