Dyfyniad APA
BARNARD, J., & ET AL. (2002). AUTISM IN SCHOOLS. CRISIS OR CHALLENGE? The National Autistic Society.
Dyfyniad Arddull Chicago
BARNARD, J., and ET AL. AUTISM IN SCHOOLS. CRISIS OR CHALLENGE? LONDON: The National Autistic Society, 2002.
Dyfyniad MLA
BARNARD, J., and ET AL. AUTISM IN SCHOOLS. CRISIS OR CHALLENGE? The National Autistic Society, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.