Eastern Washington University. Department of Biology, Soltero, R. A., Nichols, D. G., & Mires, J. M. (1980). The effect of continuous advanced wastewater treatment by the city of Spokane on the trophic status of Long Lake, WA. during 1979. State of Washington, Dept. of Ecology.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Eastern Washington University. Department of Biology, Raymond A. Soltero, Donald G. Nichols, و John M. Mires. The Effect of Continuous Advanced Wastewater Treatment by the City of Spokane on the Trophic Status of Long Lake, WA. During 1979. Olympia: State of Washington, Dept. of Ecology, 1980.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Eastern Washington University. Department of Biology, et al. The Effect of Continuous Advanced Wastewater Treatment by the City of Spokane on the Trophic Status of Long Lake, WA. During 1979. State of Washington, Dept. of Ecology, 1980.