Gaya APA
Computer Era. (1985).
Indonesia,Mlaysia,singapoer:
Business Product.
Gaya Chicago
Computer Era.
Pertama.
Indonesia,Mlaysia,singapoer:
Business Product,
1985.
Text.
Gaya MLA
Computer Era.
Pertama.
Indonesia,Mlaysia,singapoer:
Business Product,
1985.
Text.
Gaya Turabian
Computer Era.
Indonesia,Mlaysia,singapoer:
Business Product,
1985.
Print.