Gaya APA
Darwin, C. et al
(2007).
THE ORIGIN OF SPECIES Asal Usul Spesies
(
2)
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Jakarta:
Yayasan Obor Indonesia.
Gaya MLA
Darwin, Charles. et al.
"THE ORIGIN OF SPECIES Asal Usul Spesies".
2
Jakarta:
Yayasan Obor Indonesia,
2007.
Text.