International Commission for the History of Universities, Gabriel, A. L., & Gieysztor, A. (1977). The economic and material frame of the mediaeval university: Proceedings of the International Commission for the History of Universities, held in San Francisco, California (USA), August 27, 1975, (International Congress of Historical Sciences). The Commission.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)International Commission for the History of Universities, Astrik L. Gabriel, và Aleksander Gieysztor. The Economic and Material Frame of the Mediaeval University: Proceedings of the International Commission for the History of Universities, Held in San Francisco, California (USA), August 27, 1975, (International Congress of Historical Sciences). Notre Dame, Ind.: The Commission, 1977.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)International Commission for the History of Universities, et al. The Economic and Material Frame of the Mediaeval University: Proceedings of the International Commission for the History of Universities, Held in San Francisco, California (USA), August 27, 1975, (International Congress of Historical Sciences). The Commission, 1977.