Quinn, R. M. (2003). Considering reality and perception in the assessment process: Implications for watershed management. University of Minnesota.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Quinn, Robert Michael. Considering Reality and Perception in the Assessment Process: Implications for Watershed Management. Minneapolis, Minnesota: University of Minnesota, 2003.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Quinn, Robert Michael. Considering Reality and Perception in the Assessment Process: Implications for Watershed Management. University of Minnesota, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.