Lloyd, J. W., & Lewis, E. P. (1932). Fertilizer experiments with ten market-garden crops in Cook County, Illinois: Spinach, lettuce, beets, peas, beans, tomatoes, peppers, carrots, potatoes, and cauliflower. Univ. of Ill.
Chicago-Zitierstil (17. Ausg.)Lloyd, John W., und Ernest P. Lewis. Fertilizer Experiments with Ten Market-garden Crops in Cook County, Illinois: Spinach, Lettuce, Beets, Peas, Beans, Tomatoes, Peppers, Carrots, Potatoes, and Cauliflower. Urbana, Ill: Univ. of Ill, 1932.
MLA-Zitierstil (9. Ausg.)Lloyd, John W., und Ernest P. Lewis. Fertilizer Experiments with Ten Market-garden Crops in Cook County, Illinois: Spinach, Lettuce, Beets, Peas, Beans, Tomatoes, Peppers, Carrots, Potatoes, and Cauliflower. Univ. of Ill, 1932.
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