Madsen, H. C. (1972). Future alternatives affecting the agricultural demand for water and land: The effects of soy protein meats and nitrogen fertilizer restrictions on future water and land use. Ames, Iowa: Center for Agricultural and Rural Development, Iowa State University.
Παραπομπή Chicago StyleMadsen, Howard C. Future Alternatives Affecting the Agricultural Demand for Water and Land: The Effects of Soy Protein Meats and Nitrogen Fertilizer Restrictions On Future Water and Land Use. Ames, Iowa: Center for Agricultural and Rural Development, Iowa State University, 1972.
Παραπομπή MLAMadsen, Howard C. Future Alternatives Affecting the Agricultural Demand for Water and Land: The Effects of Soy Protein Meats and Nitrogen Fertilizer Restrictions On Future Water and Land Use. Ames, Iowa: Center for Agricultural and Rural Development, Iowa State University, 1972.