American Society of Agronomy, Soil Science Society of America, & Soil Fertility and Organic Matter as Critical Components of Production Systems. (1987). Soil fertility and organic matter as critical components of production systems. Soil Science Society of America ; American Society of Agronomy.
Cita Chicago Style (17a ed.)American Society of Agronomy, Soil Science Society of America, y Soil Fertility and Organic Matter as Critical Components of Production Systems. Soil Fertility and Organic Matter as Critical Components of Production Systems. Madison: Soil Science Society of America ; American Society of Agronomy, 1987.
Cita MLA (8a ed.)American Society of Agronomy, et al. Soil Fertility and Organic Matter as Critical Components of Production Systems. Soil Science Society of America ; American Society of Agronomy, 1987.