Dyfyniad APA

Council for Exceptional Children. Division on Developmental Disabilities. (2003). Education and training in developmental disabilities. Council for Exceptional Children, Division on Developmental Disabilities.

Dyfyniad Arddull Chicago

Council for Exceptional Children. Division on Developmental Disabilities. Education and Training in Developmental Disabilities. Arlington, VA: Council for Exceptional Children, Division on Developmental Disabilities, 2003.

Dyfyniad MLA

Council for Exceptional Children. Division on Developmental Disabilities. Education and Training in Developmental Disabilities. Council for Exceptional Children, Division on Developmental Disabilities, 2003.

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