Research and Information Institute for Agricultural Economics Hungary & Committee for Agricultural Economics, Hungarian Academy of Sciences. (2004). Studies in agricultural economics 2004: No100.
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 2004: No100. 2004.
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 2004: No100. 2004.
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