Burton, J., & Spring, I. (2006). Best hikes with kids, western Washington & the Cascades. Mountaineers Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBurton, Joan, और Ira Spring. Best Hikes with Kids, Western Washington & the Cascades. Seattle, WA: Mountaineers Books, 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBurton, Joan, और Ira Spring. Best Hikes with Kids, Western Washington & the Cascades. Mountaineers Books, 2006.
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