Washington State Research Council. (1968). Research council's handbook: A compendium of statistical and explanatory information about state and local government in Washington (3d ed.).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Washington State Research Council. Research Council's Handbook: A Compendium of Statistical and Explanatory Information About State and Local Government in Washington. 3d ed. Seattle, 1968.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Washington State Research Council. Research Council's Handbook: A Compendium of Statistical and Explanatory Information About State and Local Government in Washington. 3d ed. 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.