Lua APA (7ú heag.)
Lyons , W. C. (2010). Working Guide to Petroleum and Natural Gas Production Engineering (1st edition.). Elsevier / Gulf Pub.
Lua i Stíl Chicago (17ú heag.)
Lyons , William C. Working Guide to Petroleum and Natural Gas Production Engineering. 1st edition. New York: Elsevier / Gulf Pub, 2010.
Lua MLA (9ú heag.)
Lyons , William C. Working Guide to Petroleum and Natural Gas Production Engineering. 1st edition. Elsevier / Gulf Pub, 2010.
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