Argraffiad Saesneg gwreiddiol = Original English edition: London : Walker Books, 2000.
Addasiad Cymraeg gan = Welsh adaptation by: Dylan Williams.
Helyg ar yr afon by Camilla Ashforth. ISBN 1902416368. Published by Cymdeithas Lyfrau Ceredigion in 2000. Publication and catalogue information, links to buy online and reader comments.