Amcangyfrif o incwm a gwariant swyddfa'r Archwilydd Cyffredinol ar gyfer y flwyddyn a ddaw i ben 31 Mawrth 2013 : Tachwedd 2011 = Report on the estimate of the income and expenses of the office of Aud. Published by Cynulliad Cenedlaethol Cymru in 2011. Publication and catalogue information, links to buy online and reader comments.