Reserch Institute of Agricultural Economics, Committee on Agricultural Economics, Hungarian Academy of Sciences, Popp, J., Gabor, S., & Laszlo, B. (2009). Studies in agricultural economics 2009: No 109.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Reserch Institute of Agricultural Economics, Committee on Agricultural Economics, Hungarian Academy of Sciences, Jozsef Popp, Szabo Gabor, ба Barnafi Laszlo. Studies in Agricultural Economics 2009: No 109. 2009.
MLA -ийн эшлэл (9 дэх хэвлэлт)Reserch Institute of Agricultural Economics, et al. Studies in Agricultural Economics 2009: No 109. 2009.
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