Rhieni hanner call a gwyrdd
By: Brian Patten ; lluniau Arthur Robins ; addasiad Gwawr Maelor
Contributors: Robins, Arthur; Maelor, Gwawr
Series: Ar Wib -- 4; Ar Wib -- 4.
Publisher: Gomer
Published: 2005
Place of publication: Llandysul
Language: wel
Number of pages: 60
ISBN-13: 9781843235132
Subjects: Parents; Juvenile fiction; Green movement; Children's stories, Welsh
Work titles: Impossible parents go green
Notes: Argraffiad Saesneg gwreiddiol = Original English edition: London : Walker Books, 2000.

Addasiad Cymraeg gan = Welsh adaptation by: Gwawr Maelor.

Addasiad Cymraeg o = Welsh adaptation of : The impossible parents go green.