Arg. Saesneg gwreiddiol = Original English ed.: London: Franklin Watts, 1997.
Yn cynnwys mynegai = Includes index.
Addasiad Cymraeg gan = Welsh adaptation by: Juli Paschalis.
Cludiant a chyfathrebu by Patience Coster. ISBN 0861740874. Published by Gwasg Addysgol Drake in 1997. Publication and catalogue information, links to buy online and reader comments.