Devereux, S. (2012). Drilling technology in nontechnical language (2nd ed.). PennWell Corp..
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Chicago-čujuhus (17. p.)
Devereux, Steve. Drilling Technology in Nontechnical Language. 2nd ed. Tulsa, Okla.: PennWell Corp., 2012.
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MLA-čujuhus (9. p.)
Devereux, Steve. Drilling Technology in Nontechnical Language. 2nd ed. PennWell Corp., 2012.
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