Gaya APA
REPOYADI, P. (1988).
Hydrogeological study of upper Ciliwung Cisadane river basin west Java, Indonesia supported by air photo interpretation .
:
ITC.
Gaya MLA
REPOYADI, Puryanto.
"Hydrogeological study of upper Ciliwung Cisadane river basin west Java, Indonesia supported by air photo interpretation".
:
ITC,
1988.
Laporan.