Canada. Environment Canada & Organization for Economic Co-operation and Development. Environmental Directorate. (1972). Nutrient removal in Canada status report, December, 1971: A report submitted to the Working Group on Treatment, Environmental Directorate, Organization for Economic Co-operation and Development, Paris. Water Pollution Control Directorate.
Chicago Style (17th ed.) CitationCanada. Environment Canada and Organization for Economic Co-operation and Development. Environmental Directorate. Nutrient Removal in Canada Status Report, December, 1971: A Report Submitted to the Working Group on Treatment, Environmental Directorate, Organization for Economic Co-operation and Development, Paris. [Ottawa]: Water Pollution Control Directorate, 1972.
MLA (9th ed.) CitationCanada. Environment Canada and Organization for Economic Co-operation and Development. Environmental Directorate. Nutrient Removal in Canada Status Report, December, 1971: A Report Submitted to the Working Group on Treatment, Environmental Directorate, Organization for Economic Co-operation and Development, Paris. Water Pollution Control Directorate, 1972.