Morfilod /
Fuhr, Ute.
Sautai, Raoul.
Williams, Alwena.
Delafosse, Claude.
Gallimard Jeunesse (Publisher)
Caerdydd : Gwasg Addysgol Drake,
1997.
Arg. gwreiddiol = Original ed.: Editions Gallimard, 1991.
Arg. Saesneg gwreiddiol = Original English ed.: Moonlight Publishing Ltd., 1992.
Whales