Addasiad Cymraeg gan = Welsh adaptation by Emily Huws.
Argraffiad Saesneg gwreiddiol = Original English edition : London : Gullane Children's Books, 2002.
Owain a'r lliwiau by Ian Whybrow. ISBN 1843232189. Published by Gwasg Gomer in 2003. Publication and catalogue information, links to buy online and reader comments.