International Computing Symposium, Davos, Switzerland, Association for Computing Machinery, Gunther, A., Levrat, B., & Lipps, H. (1974). Proceedings of the International Computing Symposium 1973, Davos, Switzerland, 4-7 September 1973. North-Holland Pub. Co.; American Elsevier.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Computing Symposium, Davos, Switzerland, Association for Computing Machinery, Alfred Gunther, Bernard Levrat, و H. Lipps. Proceedings of the International Computing Symposium 1973, Davos, Switzerland, 4-7 September 1973. Amsterdam, New York: North-Holland Pub. Co.; American Elsevier, 1974.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)International Computing Symposium, Davos, Switzerland, et al. Proceedings of the International Computing Symposium 1973, Davos, Switzerland, 4-7 September 1973. North-Holland Pub. Co.; American Elsevier, 1974.