Gaya APA
Oktovia, D, M.
(2008).
Cakrawala Sains Serba Serbi Energi
.
Bandung:
Jive! Collection.
Gaya MLA
Oktovia, Dian, Malini.
"Cakrawala Sains Serba Serbi Energi".
Bandung:
Jive! Collection,
2008.
Text.