Dyfyniad APA

Griffiths, R. A. (1962). Royal government in the southern counties of the Principality of Wales, 1422-145. University of Bristol.

Dyfyniad Arddull Chicago

Griffiths, Ralph Alan. Royal Government in the Southern Counties of the Principality of Wales, 1422-145. England: University of Bristol, 1962.

Dyfyniad MLA

Griffiths, Ralph Alan. Royal Government in the Southern Counties of the Principality of Wales, 1422-145. University of Bristol, 1962.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.