APA Style
SILVIUS, M, J. (1990).
Three years of wetland and waterbird conservation activities in Indonesia: October 1987-September 1990 .
:
PHPA-AWP.
MLA Style
SILVIUS, Marcel, J..
"Three years of wetland and waterbird conservation activities in Indonesia: October 1987-September 1990".
:
PHPA-AWP,
1990.
Electronic resources.