APA aipamena

Pollitt, A. S. (1986). An expert systems approach to document retrieval.

Chicago Style aipamena

Pollitt, Arthur Steven. An Expert Systems Approach to Document Retrieval. 1986.

MLA aipamena

Pollitt, Arthur Steven. An Expert Systems Approach to Document Retrieval. 1986.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.