Gaya APA
Ook, C, H.
(2011).
Why ? Origin Of Humankind and Civilization
(
1)
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Jakarta:
Elex Media Komputindo.
Gaya MLA
Ook, Cho, Han.
"Why ? Origin Of Humankind and Civilization".
1
Jakarta:
Elex Media Komputindo,
2011.
Ilmu Murni.