Gaya APA

Syste, W, L, W, U, (, L, M, C, F, T, B, O, N. (1975). A Comparison of the Production, Economic Returns, and Energy-intensiveness of Corn Belt Farms that Do and Do Not Use Inorganic Fertilizers and Pesticides . : .

Gaya MLA

Syste, William, Lockeretz;, Washington, University, (Saint, Louis;, Mo.)., Center, For, The, Biology, Of, Natural. "A Comparison of the Production, Economic Returns, and Energy-intensiveness of Corn Belt Farms that Do and Do Not Use Inorganic Fertilizers and Pesticides". : , 1975. Text.