Washington (State). Department of Agriculture, Washington (State). Department of Agriculture, United States. Department of Agriculture, & Washington Crop and Livestock Reporting Service. (1956). Spokane County agriculture, Washington. Washington State Dept. of Agriculture.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Washington (State). Department of Agriculture, Washington (State). Department of Agriculture, United States. Department of Agriculture, و Washington Crop and Livestock Reporting Service. Spokane County Agriculture, Washington. [Olympia, WA]: Washington State Dept. of Agriculture, 1956.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Washington (State). Department of Agriculture, et al. Spokane County Agriculture, Washington. Washington State Dept. of Agriculture, 1956.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.