Saudi Arabia. Mudiriyah al-Ammah lil-Tharwah al-Madiniyah, Collenette, P., & Grainger, D. J. (1994). Mineral resources of Saudi Arabia: Not including oil, natural gas, and sulfur. Ministry of Petroleum and Mineral Resources, Directorate General of Mineral Resources.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Saudi Arabia. Mudiriyah al-Ammah lil-Tharwah al-Madiniyah, Peter Collenette, و David J. Grainger. Mineral Resources of Saudi Arabia: Not Including Oil, Natural Gas, and Sulfur. Jiddah, Kingdom of Saudi Arabia: Ministry of Petroleum and Mineral Resources, Directorate General of Mineral Resources, 1994.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Saudi Arabia. Mudiriyah al-Ammah lil-Tharwah al-Madiniyah, et al. Mineral Resources of Saudi Arabia: Not Including Oil, Natural Gas, and Sulfur. Ministry of Petroleum and Mineral Resources, Directorate General of Mineral Resources, 1994.