Gaya APA
VERSTEEG, M. (1998).
CONVENTION ON WETLANDS OF INTERNATIONAL IMPORTANCE ESPECIALLY AS WATERFOWL HABITAT .
JAKARTA:
ICEL.
Gaya MLA
VERSTEEG, MARTIN.
"CONVENTION ON WETLANDS OF INTERNATIONAL IMPORTANCE ESPECIALLY AS WATERFOWL HABITAT".
JAKARTA:
ICEL,
1998.
Text.