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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিOntario Industrial Waste Conference Toronto এবং 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.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিOntario Industrial Waste Conference Toronto এবং 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.