Pirch, K. (2011). The redistricting process in Washington state. Eastern Washington University, Institute for Public Policy and Economic Analysis.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPirch, Kevin. The Redistricting Process in Washington State. Spokane: Eastern Washington University, Institute for Public Policy and Economic Analysis, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPirch, Kevin. The Redistricting Process in Washington State. Eastern Washington University, Institute for Public Policy and Economic Analysis, 2011.
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