Van professionele vertalers, bedrijven, webpagina's en gratis beschikbare vertaalbronnen.
ar ddiwedd yr ymarfer gwerthuso, dylid darparu llyfryddiaeth er mwyn galluogi pob aelod o’r prosiect i alw ar unrhyw ffynhonnell at eu gwaith.
at the end of the evaluation exercise, a bibliography list should be supplied, in order to enable every project member to call on any source for their work.