Gaya APA
BAHRUDIN, E.
(2007).
Persiapan Menghadapi UN SMA IPS 2007/2008
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Bandung:
Epsilon Group.
Gaya MLA
BAHRUDIN, Et.al.
"Persiapan Menghadapi UN SMA IPS 2007/2008".
Bandung:
Epsilon Group,
2007.
Text.