Παραπομπή APA

ITL Education Solutions Limited & Ribeiro- Neto B. (1999). Modern information retrieval. ACM Press.

Παραπομπή Chicago Style

ITL Education Solutions Limited και Ribeiro- Neto B. Modern Information Retrieval. New Delhi: ACM Press, 1999.

Παραπομπή MLA

ITL Education Solutions Limited και Ribeiro- Neto B. Modern Information Retrieval. ACM Press, 1999.