Research and Information Institute for Agricultural Economics Hungary & Committee for Agricultural Economics, Hungarian Academy of Sciences. (2003). Studies in agricultural economics 2003: No99.
Chicago-referens (17:e uppl.)Research and Information Institute for Agricultural Economics Hungary och Hungarian Academy of Sciences Committee for Agricultural Economics. Studies in Agricultural Economics 2003: No99. 2003.
MLA-referens (9:e uppl.)Research and Information Institute for Agricultural Economics Hungary och Hungarian Academy of Sciences Committee for Agricultural Economics. Studies in Agricultural Economics 2003: No99. 2003.
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