Research and Information Institute for Agricultural Economics Hungary & Committee for Agricultural Economics, Hungarian Academy of Sciences. (2003). Studies in agricultural economics 2003: No99.
Chicago-viite (17. p.)Research and Information Institute for Agricultural Economics Hungary ja Hungarian Academy of Sciences Committee for Agricultural Economics. Studies in Agricultural Economics 2003: No99. 2003.
MLA-viite (9. p.)Research and Information Institute for Agricultural Economics Hungary ja Hungarian Academy of Sciences Committee for Agricultural Economics. Studies in Agricultural Economics 2003: No99. 2003.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.