Hearst, M., & Tong, R. (1999). Reserch and Development in Information Retrieval (1999): Proceedings of 22nd International Conference ACM/SIGIR University of California, Berkeley August 1999 special issue of SIGIR Forum. Association for Computing Machinery.
Παραπομπή σε μορφή Chicago (17η εκδ.)Hearst, Marti, και Richard Tong. Reserch and Development in Information Retrieval (1999): Proceedings of 22nd International Conference ACM/SIGIR University of California, Berkeley August 1999 Special Issue of SIGIR Forum. New York: Association for Computing Machinery, 1999.
Παραπομπή σε μορφή MLA (8th εκδ.)Hearst, Marti, και Richard Tong. Reserch and Development in Information Retrieval (1999): Proceedings of 22nd International Conference ACM/SIGIR University of California, Berkeley August 1999 Special Issue of SIGIR Forum. Association for Computing Machinery, 1999.