United States Environmental Protection Agency. (1986). Critical review and summary of leachate and gas production from landfills. National Technical Information Service, Cincinnati.
Παραπομπή σε μορφή Chicago (17η εκδ.)United States Environmental Protection Agency. Critical Review and Summary of Leachate and Gas Production from Landfills. National Technical Information Service, Cincinnati, 1986.
Παραπομπή σε μορφή MLA (9th εκδ.)United States Environmental Protection Agency. Critical Review and Summary of Leachate and Gas Production from Landfills. National Technical Information Service, Cincinnati, 1986.
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