Não informado. (1931). Cleveland Clinic Quarterly. Cleveland Clinic Educational Foundation.
Lua i Stíl Chicago (17ú heag.)Não informado. Cleveland Clinic Quarterly. Cleveland, Ohio: Cleveland Clinic Educational Foundation, 1931.
Lua MLA (8ú heag.)Não informado. Cleveland Clinic Quarterly. Cleveland Clinic Educational Foundation, 1931.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.