Dyfyniad APA

British Institute of Learning Disabilities. British journal of learning disabilities. BILD Publications.

Dyfyniad Arddull Chicago

British Institute of Learning Disabilities. British Journal of Learning Disabilities. Avon: BILD Publications.

Dyfyniad MLA

British Institute of Learning Disabilities. British Journal of Learning Disabilities. BILD Publications.

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