Keith, J. D. (1978). Heart disease in infancy and childhood (3ª ed.). Macmillan.
Lua i Stíl Chicago (17ú heag.)Keith, John D. Heart Disease in Infancy and Childhood. 3ª ed. Macmillan, 1978.
Lua MLA (9ú heag.)Keith, John D. Heart Disease in Infancy and Childhood. 3ª ed. Macmillan, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.