Beckey, F. (1973). Cascade alpine guide: Climbing and high routes ([1st ed.].). Mountaineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBeckey, Fred. Cascade Alpine Guide: Climbing and High Routes. [1st ed.]. Seattle: Mountaineers, 1973.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBeckey, Fred. Cascade Alpine Guide: Climbing and High Routes. [1st ed.]. Mountaineers, 1973.
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