APA (7 वां संस्करण) प्रशस्ति पत्र
Society of Petroleum Engineers. (1997). Drilling fluids. Society of Petroleum Engineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Society of Petroleum Engineers. Drilling Fluids. Texas: Society of Petroleum Engineers, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Society of Petroleum Engineers. Drilling Fluids. Society of Petroleum Engineers, 1997.
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