APA Style
Silvikultur, S, N, S. (1977).
Prosiding seminar nasional status silvikultur 1999 .
Yogyakarta:
UGM.
MLA Style
Silvikultur, SEMINAR, Nasional, Status.
"Prosiding seminar nasional status silvikultur 1999".
Yogyakarta:
UGM,
1977.
Electronic resources.