Association for Computing Machinery. Special Interest Group on Information Retrieval & International ACMSIGIR Conference on Research & Development in Information Retrieval. SIGIR forum. Association for Computing Machinery.
Chicago-referens (17:e uppl.)Association for Computing Machinery. Special Interest Group on Information Retrieval och International ACMSIGIR Conference on Research & Development in Information Retrieval. SIGIR Forum. New York, N.Y.: Association for Computing Machinery.
MLA-referens (8:e uppl.)Association for Computing Machinery. Special Interest Group on Information Retrieval och International ACMSIGIR Conference on Research & Development in Information Retrieval. SIGIR Forum. Association for Computing Machinery.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.