WOLL, P. (1962). American Government: Readings and cases. Little Brown and Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWOLL, Peter. American Government: Readings and Cases. Little Brown and Company, 1962.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWOLL, Peter. American Government: Readings and Cases. Little Brown and Company, 1962.
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