Belkin, N. J., Belkin,N. J Contributor, & van Rijsbergen, C. J. C. (1989). SIGIR, '89: Proceedings of the Twelfth Annual International ACMSIGIR Conference on Research and Development in Information Retrieval. Association for Computing Machinery.
Cita Chicago Style (17a ed.)Belkin, N. J., Belkin,N. J Contributor, y C. J Contributor van Rijsbergen. SIGIR, '89: Proceedings of the Twelfth Annual International ACMSIGIR Conference on Research and Development in Information Retrieval. [Place of publication not identified]: Association for Computing Machinery, 1989.
Cita MLA (9a ed.)Belkin, N. J., et al. SIGIR, '89: Proceedings of the Twelfth Annual International ACMSIGIR Conference on Research and Development in Information Retrieval. Association for Computing Machinery, 1989.
