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..
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Washington (State). Department of Ecology và 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.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Washington (State). Department of Ecology và 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.