Lua APA (7ú heag.)
ebrary, Inc, & Karmis, M. (2001). Mine health and safety management. Society for Mining, Metallurgy, and Exploration.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Michael Karmis. Mine Health and Safety Management. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, 2001.
Lua MLA (9ú heag.)
ebrary, Inc, agus Michael Karmis. Mine Health and Safety Management. Society for Mining, Metallurgy, and Exploration, 2001.
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