Cyhoeddwyd dan nawdd Cynllun AdnoddauCyd-bwyllgor Addysg Cymru = Published under the auspices of the Welsh Joint Education Committee Resources Project.
Drama CA3 : drama yng nghyfnod allweddol 3 : canllawiau i athrawon. ISBN 1860853218. Published by Cyd-Bwyllgor Addysg Cymru in 1998. Publication and catalogue information, links to buy online and reader comments.