Oelhaf, R. C. (1978). Organic agriculture: Economic and ecological comparison with conventional methods. Allenheld Osmun and Co Publishers.
Chicago Edition CitationOelhaf, R C. Organic Agriculture: Economic and Ecological Comparison with Conventional Methods. New Jersey: Allenheld Osmun and Co Publishers, 1978.
MLA Edition CitationOelhaf, R C. Organic Agriculture: Economic and Ecological Comparison with Conventional Methods. Allenheld Osmun and Co Publishers, 1978.
Warning: These citations may not always be 100% accurate.