Apathy, E., Lamberger, G., Racz, M., & Szanyi, M. (1991). The change of Regime and the Hungarian telecommunication industry: An Empirical Survey. Institute for World Economics of the Hungarian Academy of Sciences.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Apathy, Ervin, Galina Lamberger, Margit Racz, ба Miklos Szanyi. The Change of Regime and the Hungarian Telecommunication Industry: An Empirical Survey. Budapest: Institute for World Economics of the Hungarian Academy of Sciences, 1991.
MLA -ийн эшлэл (9 дэх хэвлэлт)Apathy, Ervin, et al. The Change of Regime and the Hungarian Telecommunication Industry: An Empirical Survey. Institute for World Economics of the Hungarian Academy of Sciences, 1991.
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