Chwytha wynt! /
Mole, John,1941-
Norman, Mary.
Myrddin ap Dafydd.
National Language Unit of Wales.
Caerdydd : Uned Iaith Genedlaethol Cymru CBAC,
1996.
Arg. Saesneg gwreiddiol = Original English ed.: Harlow : Longman Group, 1994.
Addasiad Cymraeg gan = Welsh adaptation by: Myrddin ap Dafydd.
Welsh language