Korfhage, R. R., Rasmussen, E., & Willett, P. (1993). Research and development in information retrieval (1993): Proceedings of the 16th annual international ACM SIGIR conference Pittsburg,PA USA, June 27 - July 1, 1993. Association for Computing Machinery.
Παραπομπή σε μορφή Chicago (17η εκδ.)Korfhage, Robert R., Edie Rasmussen, και Peter Willett. Research and Development in Information Retrieval (1993): Proceedings of the 16th Annual International ACM SIGIR Conference Pittsburg,PA USA, June 27 - July 1, 1993. New York: Association for Computing Machinery, 1993.
Παραπομπή σε μορφή MLA (8th εκδ.)Korfhage, Robert R., et al. Research and Development in Information Retrieval (1993): Proceedings of the 16th Annual International ACM SIGIR Conference Pittsburg,PA USA, June 27 - July 1, 1993. Association for Computing Machinery, 1993.