Voigts-Virchow, E. Melancholy Elephants and Virgin Machines: Technological Imagery and Mechanical Lacunae from Industrial Novels to Scientific Romances / Eckart Voigts-Virchow. Lost worlds [&] and mad elephants : literature, science and technology 1700-1990.(1999).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Voigts-Virchow, Eckart. "Melancholy Elephants and Virgin Machines: Technological Imagery and Mechanical Lacunae from Industrial Novels to Scientific Romances / Eckart Voigts-Virchow." Lost Worlds [&] and Mad Elephants : Literature, Science and Technology 1700-1990.(1999) .
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Voigts-Virchow, Eckart. "Melancholy Elephants and Virgin Machines: Technological Imagery and Mechanical Lacunae from Industrial Novels to Scientific Romances / Eckart Voigts-Virchow." Lost Worlds [&] and Mad Elephants : Literature, Science and Technology 1700-1990.(1999), .