De Maddalena, A., Preti, A., & Polansky, T. (2007). Sharks of the Pacific Northwest: Including Oregon, Washington, British Columbia and Alaska. Harbour Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDe Maddalena, Alessandro, Antonella Preti, और Tarik Polansky. Sharks of the Pacific Northwest: Including Oregon, Washington, British Columbia and Alaska. Madeira Park, B.C.: Harbour Pub., 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDe Maddalena, Alessandro, et al. Sharks of the Pacific Northwest: Including Oregon, Washington, British Columbia and Alaska. Harbour Pub., 2007.
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