Gaya APA
Guidelines For Designing User Interface Software. (1998).
USA:
Userlab Inc.
Gaya Chicago
Guidelines For Designing User Interface Software.
.
USA:
Userlab Inc,
1998.
.
Gaya MLA
Guidelines For Designing User Interface Software.
.
USA:
Userlab Inc,
1998.
.
Gaya Turabian
Guidelines For Designing User Interface Software.
USA:
Userlab Inc,
1998.
.