APA (7 वां संस्करण) प्रशस्ति पत्र

Green, D. W., & Willhite, G. P. (1998). Enhanced oil recovery. Henry L. Doherty Memorial Fund of AIME, Society of Petroleum Engineers.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Green, Don W., और G. Paul Willhite. Enhanced Oil Recovery. Richardson, TX: Henry L. Doherty Memorial Fund of AIME, Society of Petroleum Engineers, 1998.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Green, Don W., और G. Paul Willhite. Enhanced Oil Recovery. Henry L. Doherty Memorial Fund of AIME, Society of Petroleum Engineers, 1998.

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