Dyfyniad APA
URWIN, S., & ET AL. (1988). PRESCHOOL LANGUAGE INTERVENTION: A FOLLOW-UP STUDY.
Dyfyniad Arddull Chicago
URWIN, S., and ET AL. PRESCHOOL LANGUAGE INTERVENTION: A FOLLOW-UP STUDY. 1988.
Dyfyniad MLA
URWIN, S., and ET AL. PRESCHOOL LANGUAGE INTERVENTION: A FOLLOW-UP STUDY. 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.