Gaya APA
Jieun, J. et al (2010).
Why? Natural Disasters (Bencana Alam) (Indonesian Edition).
Jakarta, Indonesia:
Elex Media Komputindo.
Gaya MLA
Jieun, Jeon. et al.
"Why? Natural Disasters (Bencana Alam)".
Indonesian Edition
Jakarta, Indonesia:
Elex Media Komputindo,
2010.
Text.