Lua APA (7ú heag.)

Kliche, C. A. (1999). Rock slope stability. Society for Mining, Metallurgy, and Exploration.

Lua i Stíl Chicago (17ú heag.)

Kliche, Charles A. Rock Slope Stability. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, 1999.

Lua MLA (9ú heag.)

Kliche, Charles A. Rock Slope Stability. Society for Mining, Metallurgy, and Exploration, 1999.

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