Ar y clawr: Uned Cyffuriau & Alcohol Cymru = On Cover: Welsh Drug & Alcohol Unit.
Teitl clawr = Cover title.
Addysg cyffuriau : llawlyfr i athrawon a gweithwyr ieuenctid by Graham T. Davies. Published by Cynulliad Cenedlaethol Cymru in 2000. Publication and catalogue information, links to buy online and reader comments.