Não informado. (1991). Chest Surgery Clinics of North America. W.B. Saunders.
Lua i Stíl Chicago (17ú heag.)Não informado. Chest Surgery Clinics of North America. Philadelphia, Pa: W.B. Saunders, 1991.
Lua MLA (8ú heag.)Não informado. Chest Surgery Clinics of North America. W.B. Saunders, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.