Sumitro, A., S., Kristanto,{et.all}, D., R.(1975).Handbook of Solid Waste Disposal Materials and Energy Recovery .New York:Van Nostrad Reinhold Company.
Gaya MLA
Sumitro, A., S., Kristanto,{et.all}, D., R..Handbook of Solid Waste Disposal Materials and Energy Recovery.New York:Van Nostrad Reinhold Company,1975.Text.