Argraffiad Saesneg gwreiddiol = Original English edition : London : Orchard, 2002.
Addasiad Cymraeg gan = Welsh adaptation by : Dylan Williams.
Amser gwely Popi a Macs by Lindsey Gardiner. ISBN 1902416643. Published by Cymdeithas Lyfrau Ceredigion in 2002. Publication and catalogue information, links to buy online and reader comments.