Y bryniau tywyll y cymylau trymion :
dehongliad o dirwedd Cymru mewn peintiadau gan Josef Herman, Kyffin Williams, Will Roberts, Martin Bloch, George Chapman, Ernest Zobole, Peter Prendergast : The darks hills the heavy clouds : an expression of the Welsh landscape in paintings by Josef Herman, Kyffin Williams, Will Roberts, Martin Bloch, George Chapman, Ernest Zobole, Peter Prendergast.

APA Citation

Jenkins, D. Fraser., Welsh Arts Council. (1981). Y bryniau tywyll y cymylau trymion: dehongliad o dirwedd Cymru mewn peintiadau gan Josef Herman, Kyffin Williams, Will Roberts, Martin Bloch, George Chapman, Ernest Zobole, Peter Prendergast : The darks hills the heavy clouds : an expression of the Welsh landscape in paintings by Josef Herman, Kyffin Williams, Will Roberts, Martin Bloch, George Chapman, Ernest Zobole, Peter Prendergast. Cardiff: Welsh Arts Council.

MLA Citation

Jenkins, David Fraser, and Welsh Arts Council. Y Bryniau Tywyll Y Cymylau Trymion: Dehongliad O Dirwedd Cymru Mewn Peintiadau Gan Josef Herman, Kyffin Williams, Will Roberts, Martin Bloch, George Chapman, Ernest Zobole, Peter Prendergast : The Darks Hills the Heavy Clouds : an Expression of the Welsh Landscape In Paintings by Josef Herman, Kyffin Williams, Will Roberts, Martin Bloch, George Chapman, Ernest Zobole, Peter Prendergast. Cardiff: Welsh Arts Council, 1981.

Warning: These citations may not always be complete (especially for serials).