Cynllun yr Iaith Gymraeg : paratowyd yn unol â Deddf yr Iaith Gymraeg 1993 by Abertawe Bro Morgannwg University Health Board. Published by Bwrdd Iechyd Prifysgol Abertawe Bro Morgannwg in 2010. Publication and catalogue information, links to buy online and reader comments.