Dyfyniad APA

Watson, E. H., & Lowrey, G. H. (1967). Growth and development of children (5th ed.). Year Book Medical Pub.

Dyfyniad Arddull Chicago

Watson, Ernest H., and George Harrison Lowrey. Growth and Development of Children. 5th ed. Chicago: Year Book Medical Pub, 1967.

Dyfyniad MLA

Watson, Ernest H., and George Harrison Lowrey. Growth and Development of Children. 5th ed. Year Book Medical Pub, 1967.

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