APA Style

Hasil-hasil lokakarya energi 1989 : Komite Nasional Indonesia World Energy Conference Jakarta, 1-2 Agustus 1989. (1989). New York: .

MLA Style

Hasil-hasil lokakarya energi 1989 : Komite Nasional Indonesia World Energy Conference Jakarta, 1-2 Agustus 1989. . New York: , 1989. Text.