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Ffynonellau llyfrau - Wicipedia Neidio i'r cynnwys

Ffynonellau llyfrau

Mae'r rhestr isod yn cynnwys cysylltiadau i wefannau sy'n gwerthu llyfrau newydd a rhai ail-law. Mae rhai o'r gwefannau hefyd yn cynnig gwybodaeth pellach am y llyfrau hyn:

Wedi dod o "https://cy.wikipedia.org/wiki/Arbennig:BookSources/9781783162932"