Gaya APA
Suhardi, . (1996).
Proceedings of the seminar on ecology and reforestation of dipterocarp forest .
Yogyakarta:
Fakultas Kehutanan UGM.
Gaya MLA
Suhardi, .
"Proceedings of the seminar on ecology and reforestation of dipterocarp forest".
Yogyakarta:
Fakultas Kehutanan UGM,
1996.
Text.