Parker, R. S. (1951). Checks and balances in present-day politics: An address given at a reception by the University to the Commonwealth Parliamentary Association, Wellington, 27 November, 1950. New Zealand University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रParker, Robert S. Checks and Balances in Present-day Politics: An Address Given at a Reception by the University to the Commonwealth Parliamentary Association, Wellington, 27 November, 1950. Wellington: New Zealand University Press, 1951.
एमएलए (8वां संस्करण) प्रशस्ति पत्रParker, Robert S. Checks and Balances in Present-day Politics: An Address Given at a Reception by the University to the Commonwealth Parliamentary Association, Wellington, 27 November, 1950. New Zealand University Press, 1951.
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