Agency, U., S., E., P.(1989).Seminar publication erequirements for hazardous waste landfiel: design, construction and closure .Cincinati:United States Environmental Protection Agency.
Gaya MLA
Agency, U., S., E., P..Seminar publication erequirements for hazardous waste landfiel: design, construction and closure.Cincinati:United States Environmental Protection Agency,1989.Text.