Walden, E. G. (2014). City boys and mountain horses: True adventures roughing it in Washington's Colville National Forest (First print edition.). R.A. Fountain.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWalden, Ernest Guy. City Boys and Mountain Horses: True Adventures Roughing It in Washington's Colville National Forest. First print edition. Fountain, NC: R.A. Fountain, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWalden, Ernest Guy. City Boys and Mountain Horses: True Adventures Roughing It in Washington's Colville National Forest. First print edition. R.A. Fountain, 2014.
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