GUSHEE, D. E. (1949). INDUSTRIAL AND ENGINEERING CHEMISTRY. AMERICAN CHEMICAL SOCIETY.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGUSHEE, D E. INDUSTRIAL AND ENGINEERING CHEMISTRY. WASHINGTON: AMERICAN CHEMICAL SOCIETY, 1949.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGUSHEE, D E. INDUSTRIAL AND ENGINEERING CHEMISTRY. AMERICAN CHEMICAL SOCIETY, 1949.
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