Commission of the European Communities., Baer, N. S., Sabbioni, C., & Sors, A. I. (1991). Science, technology, and European cultural heritage: Proceedings of the European symposium, Bologna, Italy, 13-16 June 1989. Oxford ; Boston: Published for the Commission of the European Communities by Butterworth-Heinemann Publishers.
استشهاد بنمط شيكاغوCommission of the European Communities., Norbert S. Baer, C. Sabbioni, و A. I. Sors. Science, Technology, and European Cultural Heritage: Proceedings of the European Symposium, Bologna, Italy, 13-16 June 1989. Oxford ; Boston: Published for the Commission of the European Communities by Butterworth-Heinemann Publishers, 1991.
MLA استشهادCommission of the European Communities., Norbert S. Baer, C. Sabbioni, و A. I. Sors. Science, Technology, and European Cultural Heritage: Proceedings of the European Symposium, Bologna, Italy, 13-16 June 1989. Oxford ; Boston: Published for the Commission of the European Communities by Butterworth-Heinemann Publishers, 1991.