Dyfyniad APA

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.

Dyfyniad Arddull Chicago

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.

Dyfyniad MLA

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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