Gaya APA
Sundoro, . (2008).
Geography Revealed the Amazing of the Volcano Activities, Book One Mountain & Volcano .
Bandung:
Pustaka Lebah.
Gaya MLA
Sundoro, .
"Geography Revealed the Amazing of the Volcano Activities, Book One Mountain & Volcano".
Bandung:
Pustaka Lebah,
2008.
Text.