Arg. Saesneg gwreiddiol = Original English ed.: [London]: Longman, 1991.
Addasiad Cymraeg gan = Welsh adaptation by: Elizabeth Edwards.
Teitl clawr = Cover title.
Mared yn Moscow by Stephen Rabley. ISBN 1855962675. Published by Dref Wen in 1996. Publication and catalogue information, links to buy online and reader comments.