Παραπομπή APA

Alexander, M. (1996). Net security: Your digital doberman. Vendata communications.

Παραπομπή Chicago Style

Alexander, Michael. Net Security: Your Digital Doberman. Research triangle park, NC: Vendata communications, 1996.

Παραπομπή MLA

Alexander, Michael. Net Security: Your Digital Doberman. Vendata communications, 1996.