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