Williams, D. H. (1984). The Welsh Cistercians ([New rev. ed.].). Cyhoeddiadau Sistersiaidd.
Chicago Style (17th ed.) CitationWilliams, David H. The Welsh Cistercians. [New rev. ed.]. Caldey Island: Cyhoeddiadau Sistersiaidd, 1984.
MLA (8th ed.) CitationWilliams, David H. The Welsh Cistercians. [New rev. ed.]. Cyhoeddiadau Sistersiaidd, 1984.
Warning: These citations may not always be 100% accurate.