Teitl clawr = Title cover.
Argraffiad Saesneg gwreiddiol = Original English edition : Oxford : Oxford University Press, 1989.
Addasiad Cymraeg gan = Welsh adaptation by : Emily Huws.
Ar lan y môr by Roderick Hunt. ISBN 0861741382. Published by Gwasg Addysgol Drake in 1998. Publication and catalogue information, links to buy online and reader comments.