Cita APA (7th ed.)

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.

Cita Chicago (17th ed.)

ebrary, Inc, W. A. Hustrulid, M. K. McCarter, i Dirk J. A. Van Zyl. Slope Stability in Surface Mining. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, 2001.

Cita MLA (9th ed.)

ebrary, Inc, et al. Slope Stability in Surface Mining. Society for Mining, Metallurgy, and Exploration, 2001.