Fickes, C. P. (1973). Recollections. U.S. Dept. of Agriculture, Forest Service, Northern Region.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFickes, Clyde P. Recollections. Missoula [Mont.]: U.S. Dept. of Agriculture, Forest Service, Northern Region, 1973.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFickes, Clyde P. Recollections. U.S. Dept. of Agriculture, Forest Service, Northern Region, 1973.
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