Watts. Activists in Office. University of Washington Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWatts. Activists in Office. University of Washington Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWatts. Activists in Office. University of Washington Press.
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