Gaya APA
Kamal, S. (1990).
Geomorphology of the Eastern Tangkuban Perahu area and its surroundings, West Java Indonesia .
Cibinong:
Bakosurtanal.
Gaya MLA
Kamal, Sukiman.
"Geomorphology of the Eastern Tangkuban Perahu area and its surroundings, West Java Indonesia".
Cibinong:
Bakosurtanal,
1990.
Text.