Gaya APA
Downton, andy. (1991).
engineering the human computer interface .
Singapore:
McGraw-Hill Book Company.
Gaya Chicago
Downton, andy.
engineering the human computer interface.
Singapore:
McGraw-Hill Book Company,
1991.
Text.
Gaya MLA
Downton, andy.
engineering the human computer interface.
Singapore:
McGraw-Hill Book Company,
1991.
Text.
Gaya Turabian
Downton, andy.
engineering the human computer interface.
Singapore:
McGraw-Hill Book Company,
1991.
Print.