Não informado. (2010). Research Studies of the State University of Washington. Washington State University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Research Studies of the State University of Washington. Pullman, Wash: Washington State University, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Research Studies of the State University of Washington. Washington State University, 2010.
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