Gaya APA
Microsoft office XP personal. ().
Malang:
Microsoft.
Gaya Chicago
Microsoft office XP personal.
.
Malang:
Microsoft,
.
Text.
Gaya MLA
Microsoft office XP personal.
.
Malang:
Microsoft,
.
Text.
Gaya Turabian
Microsoft office XP personal.
Malang:
Microsoft,
.
Print.