Fluck, R. C. (1992). Energy in farm production. Elsevier ; Distributors for the United States and Canada, Elsevier Science Pub. Co..
Cita Chicago Style (17a ed.)Fluck, Richard C. Energy in Farm Production. Amsterdam ; New York : New York, NY, U.S.A.: Elsevier ; Distributors for the United States and Canada, Elsevier Science Pub. Co., 1992.
Cita MLA (8a ed.)Fluck, Richard C. Energy in Farm Production. Elsevier ; Distributors for the United States and Canada, Elsevier Science Pub. Co., 1992.
Precaución: Estas citas no son 100% exactas.