APA-čujuhus (7. p.)
Harrison, J. P., & Hudson, J. (1997). Engineering rock mechanics: An introduction to the principles. Elsevier.
Chicago-čujuhus (17. p.)
Harrison, John P., juo John Hudson. Engineering Rock Mechanics: An Introduction to the Principles. Oxford: Elsevier, 1997.
MLA-čujuhus (9. p.)
Harrison, John P., juo John Hudson. Engineering Rock Mechanics: An Introduction to the Principles. Elsevier, 1997.
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