Não informado. (1931). Journal of Thoracic Surgery. American Association for Thoracic Surgery.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Thoracic Surgery. Saint Louis, Mo: American Association for Thoracic Surgery, 1931.
Lua MLA (8ú heag.)Não informado. Journal of Thoracic Surgery. American Association for Thoracic Surgery, 1931.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.