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O'r dudalen deitl: "Adroddiad a gyflwynir i Gynulliad Cenedlaethol Cymru ar 10 Medi 2008 yn unol ag adran 143 (1) o Ddeddf Llywodraeth Cymru 2006" = From the title page: "Report presented by the Auditor General for Wales on 10 September 2008 in accordance with section 143 (1) of the Government of Wales Act 2006".
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Cyflawni'r Ddeddf Arbed Ynni yn y Cartref yng Nghymru = Delivering the Home Energy Conservation Act in Wales. Published by National Assembly for Wales in 2008. Publication and catalogue information, links to buy online and reader comments.