Dyfyniad APA
ebrary, Inc, Hustrulid, W. A., McCarter, M. K., & Van Zyl, D. J. A. (2001). Slope stability in surface mining. Society for Mining, Metallurgy, and Exploration.
Dyfyniad Arddull Chicago
ebrary, Inc, W. A. Hustrulid, M. K. McCarter, and Dirk J. A. Van Zyl. Slope Stability in Surface Mining. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, 2001.
Dyfyniad MLA
ebrary, Inc, et al. Slope Stability in Surface Mining. Society for Mining, Metallurgy, and Exploration, 2001.
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