Gaya APA
CLEANER PRODUCTION IN PULP AND PAPER MILLS. (1998).
Amerika Serikat:
UNEP.
Gaya Chicago
CLEANER PRODUCTION IN PULP AND PAPER MILLS.
.
Amerika Serikat:
UNEP,
1998.
Text.
Gaya MLA
CLEANER PRODUCTION IN PULP AND PAPER MILLS.
.
Amerika Serikat:
UNEP,
1998.
Text.
Gaya Turabian
CLEANER PRODUCTION IN PULP AND PAPER MILLS.
Amerika Serikat:
UNEP,
1998.
Print.