Otis, L. (2001). The metaphoric circuit: Organic and technological communication in the nineteenth century ; The other end of the wire : uncertainties of organic and telegraphic communication. Max-Planck-Inst. für Wissenschaftsgeschichte.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOtis, Laura. The Metaphoric Circuit: Organic and Technological Communication in the Nineteenth Century ; The Other End of the Wire : Uncertainties of Organic and Telegraphic Communication. Berlin: Max-Planck-Inst. für Wissenschaftsgeschichte, 2001.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOtis, Laura. The Metaphoric Circuit: Organic and Technological Communication in the Nineteenth Century ; The Other End of the Wire : Uncertainties of Organic and Telegraphic Communication. Max-Planck-Inst. für Wissenschaftsgeschichte, 2001.