Gwaith Pantycelyn;
detholiad gan Gomer Morgan Roberts.
APA Citation
Williams, W., Roberts, G. Morgan. (1960). Gwaith Pantycelyn. [Aberystwyth]: Gwasg Aberystwyth.
MLA Citation
Williams, William, 1717-1791, and Gomer Morgan Roberts. Gwaith Pantycelyn. [Aberystwyth]: Gwasg Aberystwyth, 1960.
Warning: These citations may not always be complete (especially for serials).