Gaya APA
Suyatno, N. et al
(1994).
Wetland data base (WDB) version 3.0: a user manual
.
:
Wetlands International.
Gaya MLA
Suyatno, N.. et al.
"Wetland data base (WDB) version 3.0: a user manual".
:
Wetlands International,
1994.
Text.