International Conference on Research and Development in Information Retrieval Chicago, Ill, & Bookstein, A. (1991). Proceedings of the Fourteenth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval: Chicago, Illinois, USA, October 13 - 16, 1991 ; SIGIR '91. ACM Press.
Chicago-Zitierstil (17. Ausg.)International Conference on Research and Development in Information Retrieval Chicago, Ill, und Abraham Bookstein. Proceedings of the Fourteenth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval: Chicago, Illinois, USA, October 13 - 16, 1991 ; SIGIR '91. New York, NY: ACM Press, 1991.
MLA-Zitierstil (9. Ausg.)International Conference on Research and Development in Information Retrieval Chicago, Ill, und Abraham Bookstein. Proceedings of the Fourteenth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval: Chicago, Illinois, USA, October 13 - 16, 1991 ; SIGIR '91. ACM Press, 1991.