Crawford, J. T., Hustrulid, W. A., & Broadbent, C. (1979). Open pit mine planning and design. American Institute of Mining, Metallurgical, and Petroleum Engineers.
Chicagoスタイル(17版)引用形式Crawford, John T., William A. Hustrulid, , C.D Broadbent. Open Pit Mine Planning and Design. New York, United States: American Institute of Mining, Metallurgical, and Petroleum Engineers, 1979.
MLA(9版)引用形式Crawford, John T., et al. Open Pit Mine Planning and Design. American Institute of Mining, Metallurgical, and Petroleum Engineers, 1979.
警告: この引用は必ずしも正確ではありません.