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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रApathy, Ervin, Galina Lamberger, Margit Racz, और 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.
एमएलए (9वां संस्करण) प्रशस्ति पत्रApathy, 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.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.