Research Institute for Agricultural Economics21 Committee for Agricultural Economics, Hungarian Academy of Sciences. (2007). Studies in agricultural economics 2007: No 106. AKI.
Chicago-referens (17:e uppl.)Research Institute for Agricultural Economics21 Committee for Agricultural Economics, Hungarian Academy of Sciences. Studies in Agricultural Economics 2007: No 106. Budapest: AKI, 2007.
MLA-referens (9:e uppl.)Research Institute for Agricultural Economics21 Committee for Agricultural Economics, Hungarian Academy of Sciences. Studies in Agricultural Economics 2007: No 106. AKI, 2007.
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