APA Style
GIESEN, W. (1991).
Padang island and lake Tanjung Padang Riau: survey report .
:
Asian Wetland Bureau-Indonesia.
MLA Style
GIESEN, Wim.
"Padang island and lake Tanjung Padang Riau: survey report".
:
Asian Wetland Bureau-Indonesia,
1991.
Electronic resources.