Washington (State) & Washington (State). Department of Water Resources. (1970). Surface and ground water codes. State of Washington, Dept. of Ecology.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Washington (State) و Washington (State). Department of Water Resources. Surface and Ground Water Codes. Olympia, Wash.: State of Washington, Dept. of Ecology, 1970.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Washington (State) و Washington (State). Department of Water Resources. Surface and Ground Water Codes. State of Washington, Dept. of Ecology, 1970.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.