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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিOtis, 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.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিOtis, 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.