Washington State Research Council. The Research Council's handbook. Washington State Research Council.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWashington State Research Council. The Research Council's Handbook. Seattle: Washington State Research Council.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWashington State Research Council. The Research Council's Handbook. Washington State Research Council.
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