Cita APA

Patrick Bultema. (1993). Computer Viruses: Prevention, deleted and removal. BPB pub.

Chicago Edition Citation

Patrick Bultema. Computer Viruses: Prevention, Deleted and Removal. New Delhi: BPB pub, 1993.

Cita MLA

Patrick Bultema. Computer Viruses: Prevention, Deleted and Removal. BPB pub, 1993.