Gaya APA
Solid WasteManagement. (1996).
Upper Saddle River, NJ:
Graha ilmu.
Gaya Chicago
Solid WasteManagement.
.
Upper Saddle River, NJ:
Graha ilmu,
1996.
Text.
Gaya MLA
Solid WasteManagement.
.
Upper Saddle River, NJ:
Graha ilmu,
1996.
Text.
Gaya Turabian
Solid WasteManagement.
Upper Saddle River, NJ:
Graha ilmu,
1996.
Print.