Central Washington University. Foundation, Central Washington University. Department of Geography and Land Studies, Washington Centennial Commission, Phillips, E., & O'Shea, K. (1988). Washington at statehood 1889. Central Washington University Foundation.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Central Washington University. Foundation, Central Washington University. Department of Geography and Land Studies, Washington Centennial Commission, Eric Phillips, و Katy O'Shea. Washington at Statehood 1889. [Ellensburg, Wash.?]: Central Washington University Foundation, 1988.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Central Washington University. Foundation, et al. Washington at Statehood 1889. Central Washington University Foundation, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.