Dyfyniad APA

Curtis Jenkins, G., & Newton, R. C. F. (1981). The first year of life. Churchill Livingstone.

Dyfyniad Arddull Chicago

Curtis Jenkins, Graham, and Richard C. F. Newton. The First Year of Life. Edinburgh ; New York: Churchill Livingstone, 1981.

Dyfyniad MLA

Curtis Jenkins, Graham, and Richard C. F. Newton. The First Year of Life. Churchill Livingstone, 1981.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.