Gaya APA
Sutikno, . (1981).
Patterns of water resources utilization for domestic purposes in the Serayu rever basin .
Yogyakarta:
Fakultas pertanian UGM.
Gaya MLA
Sutikno, .
"Patterns of water resources utilization for domestic purposes in the Serayu rever basin".
Yogyakarta:
Fakultas pertanian UGM,
1981.
Text.