Não informado. (2003). Chest. American College of Chest Physicians.
Lua i Stíl Chicago (17ú heag.)Não informado. Chest. Chicago, Ill: American College of Chest Physicians, 2003.
Lua MLA (8ú heag.)Não informado. Chest. American College of Chest Physicians, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.