Wilson, G. K. (1977). Special interests and policymaking: Agricultural policies and politics in Britain and the United States of America, 1956-70. Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilson, Graham K. Special Interests and Policymaking: Agricultural Policies and Politics in Britain and the United States of America, 1956-70. London: Wiley, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWilson, Graham K. Special Interests and Policymaking: Agricultural Policies and Politics in Britain and the United States of America, 1956-70. Wiley, 1977.
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