Crouch, C. J. (1981). Proceedings of the 4th annual international ACM SIGIR conference on Information storage and retrieval: Theoretical issues in information retrieval. Association for Computing Machinery.
Chicago-Zitierstil (17. Ausg.)Crouch, Carolyn J. Proceedings of the 4th Annual International ACM SIGIR Conference on Information Storage and Retrieval: Theoretical Issues in Information Retrieval. New York,NY,United States: Association for Computing Machinery, 1981.
MLA-Zitierstil (9. Ausg.)Crouch, Carolyn J. Proceedings of the 4th Annual International ACM SIGIR Conference on Information Storage and Retrieval: Theoretical Issues in Information Retrieval. Association for Computing Machinery, 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.