Arg Saesneg gwreiddiol = Original English ed: London: John Murray, 1983.
"Cyhoeddir ... fel rhan o Raglen Ddatblygu Addysg Hyblyg a ariennir gan ADAG ac a weinyddir yng Nghymru gan Gyd-bwyllgor Addysg Cymru".
Bondio ac adeiledd. Published by CBAC in 1990. Publication and catalogue information, links to buy online and reader comments.