-. (2003). Oil & gas journal. Penwell.
Chicago Style (17th ed.) Citation-. Oil & Gas Journal. Penwell, 2003.
MLA (8th ed.) Citation-. Oil & Gas Journal. Penwell, 2003.
Warning: These citations may not always be 100% accurate.
-. (2003). Oil & gas journal. Penwell.
Chicago Style (17th ed.) Citation-. Oil & Gas Journal. Penwell, 2003.
MLA (8th ed.) Citation-. Oil & Gas Journal. Penwell, 2003.