Appel. Tax Politics in Eastern Europe. University of Michigan Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAppel. Tax Politics in Eastern Europe. University of Michigan Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAppel. Tax Politics in Eastern Europe. University of Michigan Press.
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