Curtis Jenkins, G., & Newton, R. C. F. (1981). The first year of life. Churchill Livingstone.
Chicago Style aipamenaCurtis Jenkins, Graham, and Richard C. F. Newton. The First Year of Life. Edinburgh ; New York: Churchill Livingstone, 1981.
MLA aipamenaCurtis Jenkins, Graham, and Richard C. F. Newton. The First Year of Life. Churchill Livingstone, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.