The Industrial chemist and chemical manufacturer: Index to eighteenth volume.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThe Industrial Chemist and Chemical Manufacturer: Index to Eighteenth Volume. [London, Tothill Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThe Industrial Chemist and Chemical Manufacturer: Index to Eighteenth Volume.
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