Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (8th εκδ.)

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.