Dyfyniad APA

Zero to Three (Organization) & National Center for Clinical Infant Programs (U.S.). Zero to three. National Center for Clinical Infant Programs.

Dyfyniad Arddull Chicago

Zero to Three (Organization) and National Center for Clinical Infant Programs (U.S.). Zero to Three. Washington, D.C.: National Center for Clinical Infant Programs.

Dyfyniad MLA

Zero to Three (Organization) and National Center for Clinical Infant Programs (U.S.). Zero to Three. National Center for Clinical Infant Programs.

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