Byd deinosoriaid /
Benton, M. J.(Michael J.)
Meek, Elin.
Qualifications, Curriculum & Assessment Authority for Wales.
Llandysul : Gwasg Gomer,
2006.
Argraffiad Saesneg gwreiddiol = Original English edition: London : Kingfisher Publications, 2004.
Addasiad Cymraeg gan = Welsh adaptation by : Elin Meek.
Yn cynnwys mynegai = Includes index.
Dinosaurs