Gaya APA
Sheldon, Tom. (1992).
Windows 3.1 .
California:
MCGRAW HILL.
Gaya Chicago
Sheldon, Tom.
Windows 3.1.
California:
MCGRAW HILL,
1992.
.
Gaya MLA
Sheldon, Tom.
Windows 3.1.
California:
MCGRAW HILL,
1992.
.
Gaya Turabian
Sheldon, Tom.
Windows 3.1.
California:
MCGRAW HILL,
1992.
.