Spring, I., & Fish, B. (1996). Lookouts: Firewatchers of the Cascades and Olympics (2nd ed.). Mountaineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpring, Ira, और Byron Fish. Lookouts: Firewatchers of the Cascades and Olympics. 2nd ed. Seattle, WA: Mountaineers, 1996.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSpring, Ira, और Byron Fish. Lookouts: Firewatchers of the Cascades and Olympics. 2nd ed. Mountaineers, 1996.
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