Cyhoeddiad Saesneg gwreiddiol = Original English ed.: Harlow: Longman Group, 1994.
Addasiad Cymraeg gan = Welsh adaptation by: Elin Meek.
Hen fabi ych-a-fi by Jean Ure. ISBN 1901358062. Published by Camfa in 1997. Publication and catalogue information, links to buy online and reader comments.