Não informado. (2017). Bulletin of the Charles H. Tweed International Foundation. Charles H. Tweed International Foundation for Orthodontic Research.
Lua i Stíl Chicago (17ú heag.)Não informado. Bulletin of the Charles H. Tweed International Foundation. Tucson, Ariz: Charles H. Tweed International Foundation for Orthodontic Research, 2017.
Lua MLA (8ú heag.)Não informado. Bulletin of the Charles H. Tweed International Foundation. Charles H. Tweed International Foundation for Orthodontic Research, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.