American Chemical Society. Division of Fuel Chemistry, Gorbaty, M. L., & åOuchi, K. (1981). Coal structure. American Chemical Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Chemical Society. Division of Fuel Chemistry, Martin L. Gorbaty, और Kåoji åOuchi. Coal Structure. Washington, DC: American Chemical Society, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAmerican Chemical Society. Division of Fuel Chemistry, et al. Coal Structure. American Chemical Society, 1981.
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