Bradfield, E., Fuhrman, C., & Sheffield, D. (2023). Cascadia field guide: Art, ecology, poetry. Mountaineers Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBradfield, Elizabeth, CMarie Fuhrman, और Derek Sheffield. Cascadia Field Guide: Art, Ecology, Poetry. Seattle, WA: Mountaineers Books, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBradfield, Elizabeth, et al. Cascadia Field Guide: Art, Ecology, Poetry. Mountaineers Books, 2023.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.