Freeman, H., Freeman, H. 1., & Freeman, H. M. (1997). Standard handbook of hazardous waste treatment and disposal (2nd ed.). New York: Mac Graw-Hill.
Παραπομπή Chicago StyleFreeman, Harry, Harry 1943- Freeman, and Harry M. Freeman. Standard Handbook of Hazardous Waste Treatment and Disposal. 2nd ed. New York: Mac Graw-Hill, 1997.
Παραπομπή MLAFreeman, Harry, Harry 1943- Freeman, and Harry M. Freeman. Standard Handbook of Hazardous Waste Treatment and Disposal. 2nd ed. New York: Mac Graw-Hill, 1997.
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