Pruter, A. T., & Alverson, D. L. (1972). The Columbia River estuary and adjacent ocean waters: Bioenvironmental studies. University of Washington Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPruter, A. T., और Dayton L. Alverson. The Columbia River Estuary and Adjacent Ocean Waters: Bioenvironmental Studies. Seattle: University of Washington Press, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPruter, A. T., और Dayton L. Alverson. The Columbia River Estuary and Adjacent Ocean Waters: Bioenvironmental Studies. University of Washington Press, 1972.
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