APA (7 वां संस्करण) प्रशस्ति पत्र
Narr, W. (2011). Characterization of naturally fractured reservoirs. Society of Petroleum Engineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Narr, Wayne. Characterization of Naturally Fractured Reservoirs. Richardson, TX: Society of Petroleum Engineers, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Narr, Wayne. Characterization of Naturally Fractured Reservoirs. Society of Petroleum Engineers, 2011.
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