Gaya APA
Purwakusuma, W. (1989).
Appraisal of the groundwater potential of the shallow aquifer in the Lembang area .
Cibinong:
Bakosurtanal.
Gaya MLA
Purwakusuma, Wahyu.
"Appraisal of the groundwater potential of the shallow aquifer in the Lembang area".
Cibinong:
Bakosurtanal,
1989.
Text.