Beckey, F. (1987). Cascade alpine guide: Climbing and high routes (2nd ed.). Mountaineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBeckey, Fred. Cascade Alpine Guide: Climbing and High Routes. 2nd ed. Seattle, Wash.: Mountaineers, 1987.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBeckey, Fred. Cascade Alpine Guide: Climbing and High Routes. 2nd ed. Mountaineers, 1987.
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