Williams, A. (2019). Moon Pacific Northwest: With Oregon, Washington & Vancouver. Avalon Travel.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilliams, Allison. Moon Pacific Northwest: With Oregon, Washington & Vancouver. Berkeley: Avalon Travel, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWilliams, Allison. Moon Pacific Northwest: With Oregon, Washington & Vancouver. Avalon Travel, 2019.
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