Olson, T. M. (1979). Ground water resources of Five Mile Prairie, Spokane County, Washington. State of Washington, Dept. of Ecology, Water Resources Information System.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Olson, Theodore M. Ground Water Resources of Five Mile Prairie, Spokane County, Washington. Olympia, Wash.: State of Washington, Dept. of Ecology, Water Resources Information System, 1979.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Olson, Theodore M. Ground Water Resources of Five Mile Prairie, Spokane County, Washington. State of Washington, Dept. of Ecology, Water Resources Information System, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.