PICKEL, A. (1992). Radical transitions: The survival and revival of entre-prenuership in the GDR. Westview.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPICKEL, Andreas. Radical Transitions: The Survival and Revival of Entre-prenuership in the GDR. Boulder: Westview, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPICKEL, Andreas. Radical Transitions: The Survival and Revival of Entre-prenuership in the GDR. Westview, 1992.
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