RIVA, J. P. (1985). U.S. conventional oil and gas production - prospect to the year 2000 - Joseph P. Riva, John J. Schanz, John G. Ellis. Westviev Press.
Citace podle Chicago (17th ed.)RIVA, Joseph P. U.S. Conventional Oil and Gas Production - Prospect to the Year 2000 - Joseph P. Riva, John J. Schanz, John G. Ellis. Westviev Press, 1985.
Citace podle MLA (8th ed.)RIVA, Joseph P. U.S. Conventional Oil and Gas Production - Prospect to the Year 2000 - Joseph P. Riva, John J. Schanz, John G. Ellis. Westviev Press, 1985.
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