Παραπομπή APA

European Environment Agency. (1998). Sludge treatment and disposal: Management approaches and experiences. Luxembourg: Office for Official Publications of the European Communities.

Παραπομπή Chicago Style

European Environment Agency. Sludge Treatment and Disposal: Management Approaches and Experiences. Luxembourg: Office for Official Publications of the European Communities, 1998.

Παραπομπή MLA

European Environment Agency. Sludge Treatment and Disposal: Management Approaches and Experiences. Luxembourg: Office for Official Publications of the European Communities, 1998.

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