Gaya APA
SOROTAN edisi Vol.XIX / 3 /2010. Renewable Energy Sources For A Better Future In Indonesia. (2010).
Jakarta:
Ekonid.
Gaya MLA
SOROTAN edisi Vol.XIX / 3 /2010. Renewable Energy Sources For A Better Future In Indonesia.
Vol.XIX / 3 /2010.
Jakarta:
Ekonid,
2010.
Printed.