Goleuni /
Tarpey, Sheila.
National Language Unit of Wales.
Cymen.
Welsh Joint Education Committee.Cynllun Adnoddau.
Caerdydd Uned Iaith Genedlaethol Cymru CBAC
1995
Cyhoeddwyd dan nawdd Cynllun Adnoddau Cyd-bwyllgor Addysg Cymru = Published under the auspices of the Welsh Joint Education Committee Resources Project
Arg. Saesneg gwreiddiol = Original English ed: Harlow: Longman Group, 1992
Teitl clawr = Cover title
Light