Various. Scientific American Supplement, No. 1082, September 26, 1896.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVarious. Scientific American Supplement, No. 1082, September 26, 1896.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVarious. Scientific American Supplement, No. 1082, September 26, 1896.
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