Arg Saesneg gwreiddiol = Original English ed: Cardiff : Alcohol Concern Wales, [1990?].
Cynhyrchwyd gan Gweithredu Alcohol Cymru gyda chymorth Hybu Iechyd Cymru = Produced by Alcohol Action Wales with the assistance of Health Promotion Wales.
Pryderu bod rhywun yn yfed gormod?. Published by Gweithredu Alcohol Cymru in 1995. Publication and catalogue information, links to buy online and reader comments.