Gaya APA
Ryeol, K., S., Patricia, (2011).
Why? origin of humankind and civilization = asal mula manusia dan peradaban .
Jakarta:
PT Elex Media Komputindo.
Gaya MLA
Ryeol, K., S., Patricia, .
Why? origin of humankind and civilization = asal mula manusia dan peradaban.
Jakarta:
PT Elex Media Komputindo,
2011.
Text.