Harris, D. (2018). Governmental checks and balances. Essential Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHarris, Duchess. Governmental Checks and Balances. Minneapolis, MN: Essential Library, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHarris, Duchess. Governmental Checks and Balances. Essential Library, 2018.
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