Beaumont, A. B. (1947). Artificial manures: The conservation and use of organic matter for soil improvement. Orange Judd.
Cita Chicago Style (17a ed.)Beaumont, Arthur B. Artificial Manures: The Conservation and Use of Organic Matter for Soil Improvement. New York: Orange Judd, 1947.
Cita MLA (8a ed.)Beaumont, Arthur B. Artificial Manures: The Conservation and Use of Organic Matter for Soil Improvement. Orange Judd, 1947.
Precaución: Estas citas no son 100% exactas.