Soltero, R. A., & Nichols, D. G. (1979). The effect of continuous advanced wastewater treatment by the city of Spokane on the trophic status of Long Lake, WA.: Final project report. State of Washington, Dept. of Ecology.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Soltero, Raymond A., و Donald G. Nichols. The Effect of Continuous Advanced Wastewater Treatment by the City of Spokane on the Trophic Status of Long Lake, WA.: Final Project Report. Olympia, Wash.: State of Washington, Dept. of Ecology, 1979.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Soltero, Raymond A., و Donald G. Nichols. The Effect of Continuous Advanced Wastewater Treatment by the City of Spokane on the Trophic Status of Long Lake, WA.: Final Project Report. State of Washington, Dept. of Ecology, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.