Gaya APA
Burgess, P. et al (1998).
Sumatra Medium and Heavy Hardwoods : Manuals of Dipterocarps for Foresters .
Jakarta:
cipor.
Gaya MLA
Burgess, PF. et al.
"Sumatra Medium and Heavy Hardwoods : Manuals of Dipterocarps for Foresters".
Jakarta:
cipor,
1998.
Text.