Cynhaliwyd yr ymchwil gan Ysgol Fusnes Caerdydd ar y cyd â menter a Busnes, Sgrîn Cymru a Cynefin Cyf. = Research carried out by The Cardiff Business School in association with Menter a Busnes, Screen Wales and Cynefin Cyf.
Teitl clawr = Cover title.
Cyhoeddwyd ar y cyd â = Published in association with: Teledwyr Annibynnol Cymru.
Rhaglen amlgyfrwng Gwynedd = Gwynedd multimedia programme. Published by Awdurdod Datblygu Cymru in 1997. Publication and catalogue information, links to buy online and reader comments.