Gaya APA
Jeon, ., Ji-Eun, .
(2010).
Why ? Natural Disasters : Bencana Alam
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Jakarta:
Elex Media Komputindo.
Gaya MLA
Jeon, ., Ji-Eun, .
"Why ? Natural Disasters : Bencana Alam".
Jakarta:
Elex Media Komputindo,
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Monograf.