Simon a'r ysbı̈wr /
Laird, Elizabeth.
Ifan, Euros Siôn.
Simonds, David.
Caerdydd : Dref Wen,
1996.
Teitl clawr = Cover title.
Arg. Saesneg gwreiddiol = Original English ed.: London : Longman, 1990.
Addasiad Cymraeg gan = Welsh adaptation by: Euros Siôn Ifan
Welsh language