Sheridan, D. (1972). Upper old red sandstone and Lower Carboniferous of the Slieve Beagh syncline: And its setting in the northwest Carboniferous basin, Ireland. Geological Survey of Ireland.
Lua i Stíl Chicago (17ú heag.)Sheridan, D. Upper Old Red Sandstone and Lower Carboniferous of the Slieve Beagh Syncline: And Its Setting in the Northwest Carboniferous Basin, Ireland. [Dublin]: Geological Survey of Ireland, 1972.
Lua MLA (8ú heag.)Sheridan, D. Upper Old Red Sandstone and Lower Carboniferous of the Slieve Beagh Syncline: And Its Setting in the Northwest Carboniferous Basin, Ireland. Geological Survey of Ireland, 1972.
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