APA Style

SOERJONO, R. (1981). Laporan mengikuti symposium and workshop on genetic improvement and productivity of fast growing tree species 1980 . : Lembaga Penelitian Hutan.

MLA Style

SOERJONO, R.. "Laporan mengikuti symposium and workshop on genetic improvement and productivity of fast growing tree species 1980". : Lembaga Penelitian Hutan, 1981. Electronic resources.