Blair, S. (2016). The creaky knees guide, Pacific Northwest national parks and monuments: The best 75 easy hikes. Sasquatch Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBlair, Seabury. The Creaky Knees Guide, Pacific Northwest National Parks and Monuments: The Best 75 Easy Hikes. Seattle: Sasquatch Books, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBlair, Seabury. The Creaky Knees Guide, Pacific Northwest National Parks and Monuments: The Best 75 Easy Hikes. Sasquatch Books, 2016.
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