European Orthodontic Society. (1948). Report of the annual congress.
Lua i Stíl Chicago (17ú heag.)European Orthodontic Society. Report of the Annual Congress. The Hague, 1948.
Lua MLA (9ú heag.)European Orthodontic Society. Report of the Annual Congress. 1948.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.