Select the appropriate source(s) of wisdom/authority to support the question.
Dewiswch y ffynhonnell briodol (ffynonellau priodol) o ddoethineb/awdurdod i gefnogi’r cwestiwn.
Select the appropriate source(s) of wisdom/authority to support the question.
Dewiswch y ffynhonnell briodol (ffynonellau priodol) o ddoethineb/awdurdod i gefnogi’r cwestiwn.