SPEIGHT,JAMES, G. (2005). Enviromental Analysis and Technology for the Refining IndustryJames G. Speight. John Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSPEIGHT,JAMES, G. Enviromental Analysis and Technology for the Refining IndustryJames G. Speight. John Wiley, 2005.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSPEIGHT,JAMES, G. Enviromental Analysis and Technology for the Refining IndustryJames G. Speight. John Wiley, 2005.
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