Ontario Industrial Waste Conference Toronto & Ontario. Ministry of the Environment. (1983). Proceedings of the thirtieth Ontario Industrial Waste Conference held at the Prince Hotel, Toronto, Ontario, June 12-15, 1983. Ontario Ministry of the Environment.
Παραπομπή σε μορφή Chicago (17η εκδ.)Ontario Industrial Waste Conference Toronto και Ontario. Ministry of the Environment. Proceedings of the Thirtieth Ontario Industrial Waste Conference Held at the Prince Hotel, Toronto, Ontario, June 12-15, 1983. [Toronto]: Ontario Ministry of the Environment, 1983.
Παραπομπή σε μορφή MLA (8th εκδ.)Ontario Industrial Waste Conference Toronto και Ontario. Ministry of the Environment. Proceedings of the Thirtieth Ontario Industrial Waste Conference Held at the Prince Hotel, Toronto, Ontario, June 12-15, 1983. Ontario Ministry of the Environment, 1983.