Cemeg modylol : cymorth adolygu modiwl CH2 /
Blake, P. G.
Warren, K. D.
Welsh Joint Education Committee.
National Language Unit of Wales.
Caerdydd : Uned Iaith Genedlaethol Cymru ,
2002.
Cyhoeddwyd dan nawdd Cynllun Cyhoeddiadau Cyd-bwyllgor Addysg Cymru = Published under the auspices of the Welsh Joint Education Committee Publications Project.