Não informado. (1955). Bulletin. Michigan State Dental Hygienists Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Bulletin. Grosse Pointe, Mich: Michigan State Dental Hygienists Association, 1955.
Lua MLA (8ú heag.)Não informado. Bulletin. Michigan State Dental Hygienists Association, 1955.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.