Knutson,Ronald D, & Penn,J B. (1995). Agricultural and food policy (3.). Prentice Hall Education Career and technology.
Chicago Stili AlıntıKnutson,Ronald D, ve Penn,J B. Agricultural and Food Policy. 3. New Jersey: Prentice Hall Education Career and technology, 1995.
MLA AlıntıKnutson,Ronald D, ve Penn,J B. Agricultural and Food Policy. 3. Prentice Hall Education Career and technology, 1995.
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