S4/C /
Meek, Elin.
Roberts, Aled.
Aneurin, Rhys.
University of Wales, Aberystwyth.Centre for Educational Studies.
Aberystwyth : CAA,
c2010.
Fformat pen i waered, gyda gwybodaeth ffeithiol un ochr a stori yr ochr arall = Upside down format, with factual information on one side and story on other side.
Yn cynnwys mynegai = Includes index.
S4C (Firm)
Television broadcasting
Television quiz shows