Citazione APA

Sehgal, R. L. (1994). Computing and disk operating systems for librarians. Ess Ess Pub..

Stile di citazione Chicago

Sehgal, R. L. Computing and Disk Operating Systems for Librarians. New Delhi: Ess Ess Pub., 1994.

Citazione MLA

Sehgal, R. L. Computing and Disk Operating Systems for Librarians. Ess Ess Pub., 1994.