Griffiths, R. A. (1962). Royal government in the southern counties of the Principality of Wales, 1422-145. University of Bristol.
Chicagoスタイル(17版)引用形式Griffiths, Ralph Alan. Royal Government in the Southern Counties of the Principality of Wales, 1422-145. England: University of Bristol, 1962.
MLA(8版)引用形式Griffiths, Ralph Alan. Royal Government in the Southern Counties of the Principality of Wales, 1422-145. University of Bristol, 1962.
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