Pwy sydd ar lan y mor? /
Cony, Sue.
Whelan, Luned.
Caerdydd : Hughes a'i Fab,
1997.
Arg. Saesneg gwreiddiol = Original English ed.: London : Scholastic Children's Books, 1997.
Teitl clawr = Cover title.
Addasiad Cymraeg gan = Welsh adaptation by: Luned Whelan.