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.
Chicago-referens (17:e uppl.)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.
MLA-referens (8:e uppl.)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.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.