Não informado. (1930). Journal of School Health. American School Health Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of School Health. Kent, Ohio: American School Health Association, 1930.
Lua MLA (8ú heag.)Não informado. Journal of School Health. American School Health Association, 1930.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.