Yr amcangyfrif atodol o incwm a gwariant Swyddfa Archwilio Cymru ar gyfer y flwyddyn yn dod i ben ar 31 Mawrth 2012 : Hydref 2011 = The supplementary estimate of income and expenditure of the Wales Au. Published by Cynulliad Cenedlaethol Cymru in 2011. Publication and catalogue information, links to buy online and reader comments.