International Conference on Research and Development in Information Retrieval Brüssel. (1990). Proceedings of the 13th International Conference on Research and Development in Information Retrieval: Brüssels, Belgium, 5 - 7 September 1990. Assoc. for Computing Machinery.
Chicago-Zitierstil (17. Ausg.)International Conference on Research and Development in Information Retrieval Brüssel. Proceedings of the 13th International Conference on Research and Development in Information Retrieval: Brüssels, Belgium, 5 - 7 September 1990. New York: Assoc. for Computing Machinery, 1990.
MLA-Zitierstil (9. Ausg.)International Conference on Research and Development in Information Retrieval Brüssel. Proceedings of the 13th International Conference on Research and Development in Information Retrieval: Brüssels, Belgium, 5 - 7 September 1990. Assoc. for Computing Machinery, 1990.