Dyfyniad APA
HEPBUM, S., & ET AL. (2008). AUTISM SYMPTOMS IN TODDLERS WITH DOWN SYNDROME: A DESCRIPTIVE STUDY.
Dyfyniad Arddull Chicago
HEPBUM, S., and ET AL. AUTISM SYMPTOMS IN TODDLERS WITH DOWN SYNDROME: A DESCRIPTIVE STUDY. 2008.
Dyfyniad MLA
HEPBUM, S., and ET AL. AUTISM SYMPTOMS IN TODDLERS WITH DOWN SYNDROME: A DESCRIPTIVE STUDY. 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.