International ACMSIGIR Conference on Research & Development in Information Retrieval, Hearst, M. A., Gey, F. C., & Tong, R. M. (1999). SIGIR'99: Proceedings of 22nd International Conference on Research and Development in Information Retrieval : University of California, Berkeley, August 1999. Association for Computing Machinery.
Cita Chicago Style (17a ed.)International ACMSIGIR Conference on Research & Development in Information Retrieval, Marti A. Hearst, Fredric C. Gey, y Richard M. Tong. SIGIR'99: Proceedings of 22nd International Conference on Research and Development in Information Retrieval : University of California, Berkeley, August 1999. New York: Association for Computing Machinery, 1999.
Cita MLA (9a ed.)International ACMSIGIR Conference on Research & Development in Information Retrieval, et al. SIGIR'99: Proceedings of 22nd International Conference on Research and Development in Information Retrieval : University of California, Berkeley, August 1999. Association for Computing Machinery, 1999.
