Barr, T. (1995). Unique Washington: A guide to the state's quirks, charisma, and character. John Muir Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBarr, Tom. Unique Washington: A Guide to the State's Quirks, Charisma, and Character. Santa Fe, N.M.: John Muir Publications, 1995.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBarr, Tom. Unique Washington: A Guide to the State's Quirks, Charisma, and Character. John Muir Publications, 1995.
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