KIRK OTHMER. (1998). ENCYCLOPEDIA OF CHEMICAL TECHNOLOGY,V 21 TO 24 RECYCLING OIL TO VINYL POLYMERS. JOHN WILEY.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKIRK OTHMER. ENCYCLOPEDIA OF CHEMICAL TECHNOLOGY,V 21 TO 24 RECYCLING OIL TO VINYL POLYMERS. NEW-YORK: JOHN WILEY, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKIRK OTHMER. ENCYCLOPEDIA OF CHEMICAL TECHNOLOGY,V 21 TO 24 RECYCLING OIL TO VINYL POLYMERS. JOHN WILEY, 1998.
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