Gaya APA

GUIDE), D, O, S, (. (0). Disk Operating System.V.400 (User's Guide) (1). New York: Autodesk, Inc.

Gaya MLA

GUIDE), DISK, OPERATING, SYSTEM.V.400, (USER'S. "Disk Operating System.V.400 (User's Guide)". 1 New York: Autodesk, Inc, 0. Printed.