Society of Mining Engineers of AIME & Lefond, S. J. (1983). Industrial minerals and rocks: (nonmetallics other than fuels) (5th ed.). Society of Mining Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Society of Mining Engineers of AIME و Stanley J. Lefond. Industrial Minerals and Rocks: (nonmetallics Other than Fuels). 5th ed. New York: Society of Mining Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers, 1983.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Society of Mining Engineers of AIME و Stanley J. Lefond. Industrial Minerals and Rocks: (nonmetallics Other than Fuels). 5th ed. Society of Mining Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers, 1983.