Holt, L. E., & Howland, J. (1939). Diseases of infancy and childhood.
Lua i Stíl Chicago (17ú heag.)Holt, L. Emett, agus Jhon Howland. Diseases of Infancy and Childhood. 1939.
Lua MLA (9ú heag.)Holt, L. Emett, agus Jhon Howland. Diseases of Infancy and Childhood. 1939.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.