Gaya APA
Bursa komoditi. (2013).
:
Identrust security international.
Gaya Chicago
Bursa komoditi.
.
:
Identrust security international,
2013.
Text.
Gaya MLA
Bursa komoditi.
.
:
Identrust security international,
2013.
Text.
Gaya Turabian
Bursa komoditi.
:
Identrust security international,
2013.
Print.