Bobbio, N. (1987). Which socialismn Marxism, socialism and democracy. University of Minnesota Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBobbio, Norberto. Which Socialismn Marxism, Socialism and Democracy. Minneapolis: University of Minnesota Press, 1987.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBobbio, Norberto. Which Socialismn Marxism, Socialism and Democracy. University of Minnesota Press, 1987.
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