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.
Citação do estilo Chicago (17ª ed.)International Commission for the History of Universities, Astrik L. Gabriel, e 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.
Citação MLA (8ª ed.)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.