Gaya APA
Sundoro, . (2007).
World History : Revealed the Mistery of Prehistoric Life (Book One Prehistoric Life) .
Surabaya:
Pustaka Lebah.
Gaya MLA
Sundoro, .
"World History : Revealed the Mistery of Prehistoric Life (Book One Prehistoric Life)".
Surabaya:
Pustaka Lebah,
2007.
Text.