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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)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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