(1935). Vol. 13, № 1 (Vol. 27, № 2); Industrial and Engineering Chemistry. New Edition. 1935.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVol. 13, № 1 (Vol. 27, № 2); Industrial and Engineering Chemistry. New Edition. 1935, 1935.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVol. 13, № 1 (Vol. 27, № 2); Industrial and Engineering Chemistry. New Edition. 1935, 1935.
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