Não informado. (1969). Journal of Periodontology-Periodontics. American Academy of Periodontology.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Periodontology-Periodontics. Chicago, Ill: American Academy of Periodontology, 1969.
Lua MLA (8ú heag.)Não informado. Journal of Periodontology-Periodontics. American Academy of Periodontology, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.