WOLL, P. (1987). American Goverment Reading And Cases Peter Woll. Brow and Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWOLL, Peter. American Goverment Reading And Cases Peter Woll. Brow and Company, 1987.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWOLL, Peter. American Goverment Reading And Cases Peter Woll. Brow and Company, 1987.
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