Gaya APA
purwanto, R, H.
(2019).
pengaturan kelestarian hasil hutan kayu
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
purwanto, Ris, Hadi.
"pengaturan kelestarian hasil hutan kayu".
Yogyakarta:
Gadjah Mada University Press,
2019.
.