Curtis Jenkins, G., & Newton, R. C. F. (1981). The first year of life. Churchill Livingstone.
Lua i Stíl Chicago (17ú heag.)Curtis Jenkins, Graham, agus Richard C. F. Newton. The First Year of Life. Edinburgh ; New York: Churchill Livingstone, 1981.
Lua MLA (8ú heag.)Curtis Jenkins, Graham, agus Richard C. F. Newton. The First Year of Life. Churchill Livingstone, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.