Gaya APA
Saefulloh, A.
(2008).
ENSIKLOPEDIA IPS ALAM NUSANTARA
.
JAKARTA:
Ganeca Exact.
Gaya MLA
Saefulloh, Aep.
"ENSIKLOPEDIA IPS ALAM NUSANTARA".
JAKARTA:
Ganeca Exact,
2008.
Text.