Logan, T. J. (1987). Effects of conservation tillage on groundwater quality nitrates and pesticides. (y.y): Lewis Publishers.
Chicago Style CitationLogan, Terry J. Effects of Conservation Tillage On Groundwater Quality Nitrates and Pesticides. (y.y): Lewis Publishers, 1987.
MLA CitationLogan, Terry J. Effects of Conservation Tillage On Groundwater Quality Nitrates and Pesticides. (y.y): Lewis Publishers, 1987.
Warning: These citations may not always be 100% accurate.