Béland. The Politics of Policy Change. Georgetown University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBéland. The Politics of Policy Change. Georgetown University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBéland. The Politics of Policy Change. Georgetown University Press.
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