International Federation for Information Processing, Ljubljana, Yugoslavia, 1971, Freiman, C., Griffith, J. E., & Rosenfeld, J. L. (1972). Information processing 71: Proceedings of IFIP Congress 71 organized by the International Federation for Information Processing, August 23-28, 1971. North-Holland Pub.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)International Federation for Information Processing, Ljubljana, Yugoslavia, 1971, C.V Freiman, J. E. Griffith, và J. L. Rosenfeld. Information Processing 71: Proceedings of IFIP Congress 71 Organized by the International Federation for Information Processing, August 23-28, 1971. Amsterdam: North-Holland Pub, 1972.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)International Federation for Information Processing, Ljubljana, Yugoslavia, 1971, et al. Information Processing 71: Proceedings of IFIP Congress 71 Organized by the International Federation for Information Processing, August 23-28, 1971. North-Holland Pub, 1972.