Não informado. (1973). Chemical Engineering Communications. Gordon and Breach Science.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Chemical Engineering Communications. Philadelphia, Pa: Gordon and Breach Science, 1973.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Chemical Engineering Communications. Gordon and Breach Science, 1973.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.