Jennings, F. M., & Campbell, E. H. (1953). The board of adjustment. Bureau of Governmental Research and Services, University of Washington, in cooperation with Association of Washington Cities.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Jennings, Floyd M., و Ernest Howard Campbell. The Board of Adjustment. Seattle: Bureau of Governmental Research and Services, University of Washington, in cooperation with Association of Washington Cities, 1953.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Jennings, Floyd M., و Ernest Howard Campbell. The Board of Adjustment. Bureau of Governmental Research and Services, University of Washington, in cooperation with Association of Washington Cities, 1953.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.