Rao, M. G., Sittig, M., & Dryden, C. E. (1997). Dryden's outlines of chemical technology: For the 21st century (3rd ed.). East-West Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRao, M. Gopala, Marshall Sittig, और Charles E. Dryden. Dryden's Outlines of Chemical Technology: For the 21st Century. 3rd ed. New Delhi: East-West Press, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRao, M. Gopala, et al. Dryden's Outlines of Chemical Technology: For the 21st Century. 3rd ed. East-West Press, 1997.
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