Gaya APA
Operating System & Utility MS-DOS Version 6.20. (1994).
Yogyakarta:
ANDI OFFSET YOGYAKARTA.
Gaya Chicago
Operating System & Utility MS-DOS Version 6.20.
.
Yogyakarta:
ANDI OFFSET YOGYAKARTA,
1994.
Text.
Gaya MLA
Operating System & Utility MS-DOS Version 6.20.
.
Yogyakarta:
ANDI OFFSET YOGYAKARTA,
1994.
Text.
Gaya Turabian
Operating System & Utility MS-DOS Version 6.20.
Yogyakarta:
ANDI OFFSET YOGYAKARTA,
1994.
Print.