Gêm gyfeillgar
By: Michael Foreman ; addasiad Cymraeg gan Gwen Redvers Jones.
Contributors: Jones, Gwen Redvers.; Welsh Joint Education Committee.; National Language Unit of Wales.
Publisher: Uned Iaith Genedlaethol Cymru CBAC
Published: 1999
Place of publication: Caerdydd
Language: wel
Number of pages: 68
Subjects: World War, 1914-1918 -- Juvenile literature.; World War, 1914-1918 -- Juvenile fiction.; Soccer -- Juvenile fiction.
Work titles: War game.
Notes: Arg. Saesneg gwreiddiol = Original English ed.: Llundain : Pavilion Books, 1997.

Addasiad Cymraeg gan = Welsh adaptation by: Gwen Redvers Jones.

Addasiad Cymraeg o = Welsh adaptation of: War game.