模板:R:cy:GPC
R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), 「R:cy:GPC」, Geiriadur Prifysgol Cymru Online (Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies
R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), 「R:cy:GPC」, Geiriadur Prifysgol Cymru Online (Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies