Ontario Industrial Waste Conference & Ontario. Ministry of the Environment. Proceedings of the Ontario Industrial Waste Conference. Ministry of the Environment.
Παραπομπή σε μορφή Chicago (17η εκδ.)Ontario Industrial Waste Conference και Ontario. Ministry of the Environment. Proceedings of the Ontario Industrial Waste Conference. Toronto: Ministry of the Environment.
Παραπομπή σε μορφή MLA (8th εκδ.)Ontario Industrial Waste Conference και Ontario. Ministry of the Environment. Proceedings of the Ontario Industrial Waste Conference. Ministry of the Environment.
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