Gaya APA
Claridge, G. (1991).
An Overview of Wetland Values: A Necessary Preliminary to Wise Use (Cet. 1.--).
Bogor:
AWB - Indonesia.
Gaya MLA
Claridge, Gordon.
"An Overview of Wetland Values: A Necessary Preliminary to Wise Use".
Cet. 1.--
Bogor:
AWB - Indonesia,
1991.
Text.