Washington (State). Department of Ecology & Soltero, R. A. (1993). Comparison of non-point source phosphorus loading to the Spokane River from its headwaters to Long Lake, WA with that used in the Spokane River phosphorus attenuation model. s.n..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWashington (State). Department of Ecology और Raymond A. Soltero. Comparison of Non-point Source Phosphorus Loading to the Spokane River from Its Headwaters to Long Lake, WA with That Used in the Spokane River Phosphorus Attenuation Model. [S.l.: s.n., 1993.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWashington (State). Department of Ecology और Raymond A. Soltero. Comparison of Non-point Source Phosphorus Loading to the Spokane River from Its Headwaters to Long Lake, WA with That Used in the Spokane River Phosphorus Attenuation Model. s.n., 1993.