S4C
Subtitle: pwy dalodd amdani? : hanes ymgyrch ddarlledu Cymdeithas yr Iaith.
Contributors: Cymdeithas yr Iaith Gymraeg.; Sianel Pedwar Cymru.
Publisher: Cymdeithas yr Iaith Gymraeg
Published: 1986
Place of publication: Aberystwyth
Language: wel
Number of pages: 109