Gaya APA
Exel 5.0 for windows. (1996).
:
Indah Surabaya.
Gaya Chicago
Exel 5.0 for windows.
.
:
Indah Surabaya,
1996.
Text.
Gaya MLA
Exel 5.0 for windows.
.
:
Indah Surabaya,
1996.
Text.
Gaya Turabian
Exel 5.0 for windows.
:
Indah Surabaya,
1996.
Print.