From 1 October 2011 you'll be charged at least 5p per bag wherever you shop in Wales = O 1 Hydref 2011 ymlaen, bydd rhaid i chi dalu o leiaf 5c am fag lle bynnag y byddwch yn siopa yng Nghymru.
Wales.Welsh Government.
[Cardiff?] : Welsh Government,
2011.
Caption title.