Gaya APA
Jurnal Bahan Alam Indonesia . (2011).
:
.
Gaya Chicago
Jurnal Bahan Alam Indonesia .
Vol.7 No.6 September 2011 .
:
,
2011.
.
Gaya MLA
Jurnal Bahan Alam Indonesia .
Vol.7 No.6 September 2011 .
:
,
2011.
.
Gaya Turabian
Jurnal Bahan Alam Indonesia .
:
,
2011.
.