Gaya APA

Centre., U, I, E, T. (1999). Technology needs for lake management in Indonesia: case studies : Lakes Rawa Danau and Rawa Pening, Java . ja: .

Gaya MLA

Centre., UNEP, International, Environmental, Technology. "Technology needs for lake management in Indonesia: case studies : Lakes Rawa Danau and Rawa Pening, Java". ja: , 1999. print.