Argraffiad Saesneg gwreiddiol = Original English edition: London : Scholastic Children's Books, 2001.
Addasiad Cymraeg gan = Welsh adaptation by: Gordon Jones.
Llyfr bordyn = Board book.
Ci-ger-y-lli by Selina Young. ISBN 1843230097. Published by Gwasg Gomer in 2001. Publication and catalogue information, links to buy online and reader comments.