Hoover's Rugged Individualism Speech. Great Neck Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHoover's Rugged Individualism Speech. Great Neck Publishing.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHoover's Rugged Individualism Speech. Great Neck Publishing.
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