Yr Iaith yn y gwaith
Subtitle: swyddiadur : sgiliau a gofynion swyddi yng Ngwynedd = Welsh at work : jobs directory : a guide to job skills & requirements in Gwynedd
By: cynllun, testun a chysodi: Rhiannon Gomer / format, text and typesetting: Rhiannon Gomer.
Contributors: Gomer, Rhiannon.
Series: Gorwelion = -- Horizons; Gorwelion
Publisher: Menter a Busnes
Published: 1999
Place of publication: [Aberystwyth]
Language: wel
Other titles: Welsh at work.