Y teigr tywod /
Hamlett, Jenny.
Evans, Meinir.
Tattersfield, Jane.
Curriculum and Assessment Authority for Wales.
Caerdydd : Camfa,
1996.
Argraffwyd gyntaf yn Saesneg = First published in English: Harlow: Longman Group, 1994.
Addasiad Cymraeg gan = Welsh adaptation by: Meinir Evans.
Welsh language