Williams, J. B. (1973). U.S. statistical atlas: Featuring rank-order tables and U.S. outline maps for 150 social and economic subjects from published U.S. government reports ([3rd biennial ed.].). Williams.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Williams, Jose B. U.S. Statistical Atlas: Featuring Rank-order Tables and U.S. Outline Maps for 150 Social and Economic Subjects from Published U.S. Government Reports. [3rd biennial ed.]. Elmwood, Neb: Williams, 1973.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Williams, Jose B. U.S. Statistical Atlas: Featuring Rank-order Tables and U.S. Outline Maps for 150 Social and Economic Subjects from Published U.S. Government Reports. [3rd biennial ed.]. Williams, 1973.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.