Alli di weld? /
Matthews, Bethan.
Trotter, Stuart.
Llandysul : Gwasg Gomer,
2001.
Addasiad Cymraeg gan = Welsh adaptation by: Bethan Matthews.
Argraffiad Saesneg gwreiddiol = Original English edition: Glastonbury : Treehouse Children's Books, 1998.
Teitl o'r clawr = Title from cover.
Testun a lluniau ar y cloriau tu mewn = Text and illustrations on inside covers.
Welsh language