Amser
By: John Williams ; lluniau gan Malcolm S. Walker ; trosiad gan Martin Davis.
Contributors: Davis, Martin, 1957-
Series: Dechrau Technoleg
Publisher: Dref Wen
Published: 1992
Place of publication: Caerdydd
Language: wel
Number of pages: 32
Subjects: Time -- Juvenile literature.; Technology -- Study and teaching (Elementary)
Work titles: Time.
Notes: Arg Saesneg gwreiddiol = Original English ed: Wayland, 1990.

Yn cynnwysmynegai = Includes index.

Addasiad Cymraeg o = Welsh adaptation of: Time.