Bookstein, A., Chiaramella, Y., Raghavan, V. V., & Salton, G. (1991). Research and development in information retrieval (1991): Proceedings of the 14th Annual International ACM/SIGIR Conference. Chicago, Illinois, USA, October 13-16, 1991. Association for Computing Machinery.
Παραπομπή σε μορφή Chicago (17η εκδ.)Bookstein, A., Y. Chiaramella, V. V. Raghavan, και Gerard Salton. Research and Development in Information Retrieval (1991): Proceedings of the 14th Annual International ACM/SIGIR Conference. Chicago, Illinois, USA, October 13-16, 1991. New York: Association for Computing Machinery, 1991.
Παραπομπή σε μορφή MLA (8th εκδ.)Bookstein, A., et al. Research and Development in Information Retrieval (1991): Proceedings of the 14th Annual International ACM/SIGIR Conference. Chicago, Illinois, USA, October 13-16, 1991. Association for Computing Machinery, 1991.
