Steinmetz, R. (1992). The business of petroleum exploration. American Association of Petroleum Geologists.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSteinmetz, Richard. The Business of Petroleum Exploration. Tulsa, Okla: American Association of Petroleum Geologists, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSteinmetz, Richard. The Business of Petroleum Exploration. American Association of Petroleum Geologists, 1992.
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