Washington (State). Bureau of Statistics, Agriculture and Immigration, Washington (State). Office of the Secretary of State, & Perry, R. M. (1943). The counties of Washington, September, 1943. Belle Reeves, secretary of state.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Washington (State). Bureau of Statistics, Agriculture and Immigration, Washington (State). Office of the Secretary of State, و Richard M. Perry. The Counties of Washington, September, 1943. Olympia, Wash.: Belle Reeves, secretary of state, 1943.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Washington (State). Bureau of Statistics, Agriculture and Immigration, et al. The Counties of Washington, September, 1943. Belle Reeves, secretary of state, 1943.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.