Gaya APA
Saefulloh, A.
(2008).
Ensiklopedia IPS Alam Nusantara
(
1)
.
Jakarta:
Ganeca Exact,.
Gaya MLA
Saefulloh, Aep.
"Ensiklopedia IPS Alam Nusantara".
1
Jakarta:
Ganeca Exact,,
2008.
Text.