Wan Zuhairi Wan Yaacob. (1996). An investigation of the history and current activity of the Bournvville landslide, Blaina Gwent, South Wales. Applied Environmental Geology, University of Wales.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wan Zuhairi Wan Yaacob. An Investigation of the History and Current Activity of the Bournvville Landslide, Blaina Gwent, South Wales. Cardiff: Applied Environmental Geology, University of Wales, 1996.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Wan Zuhairi Wan Yaacob. An Investigation of the History and Current Activity of the Bournvville Landslide, Blaina Gwent, South Wales. Applied Environmental Geology, University of Wales, 1996.
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