"Urban, G. (1978). Euro-Communism: Its roots and future in Italy and else where. Maurice Temple Smith publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Urban, G.R.ed.". Euro-Communism: Its Roots and Future in Italy and Else Where. Maurice Temple Smith publishers, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Urban, G.R.ed.". Euro-Communism: Its Roots and Future in Italy and Else Where. Maurice Temple Smith publishers, 1978.
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