Arg. Saesneg gwreiddiol = Original English ed.: London : Orchard, 2005.
Y testun Cymraeg gan = The Welsh text by: Gwenllïan Dafydd.
Dad gorau'r byd i gyd by Gillian Lobel. ISBN 9781845120412. Published by Cymdeithas Lyfrau Ceredigion in 2006. Publication and catalogue information, links to buy online and reader comments.