Lua APA (7ú heag.)
Harrison, J. P., & Hudson, J. A. (2000). Engineering rock mechanics. Elsevier.
Lua i Stíl Chicago (17ú heag.)
Harrison, John P., agus J. A. Hudson. Engineering Rock Mechanics. New York ; Oxford: Elsevier, 2000.
Lua MLA (9ú heag.)
Harrison, John P., agus J. A. Hudson. Engineering Rock Mechanics. Elsevier, 2000.
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