Washington (State). Bureau of Statistics and Immigration & Washington (State). Office of the Secretary of State. (1938). Descriptive and statistical information of Washington, the "Evergreen state.": Volume three, 1938 ed ([3d. ed.].).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Washington (State). Bureau of Statistics and Immigration و Washington (State). Office of the Secretary of State. Descriptive and Statistical Information of Washington, the "Evergreen State.": Volume Three, 1938 Ed. [3d. ed.]. [Olympia?], 1938.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Washington (State). Bureau of Statistics and Immigration و Washington (State). Office of the Secretary of State. Descriptive and Statistical Information of Washington, the "Evergreen State.": Volume Three, 1938 Ed. [3d. ed.]. 1938.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.