Smith, G. W. (1994). Spokane County economy: Dimensions of growth, structure, and cyclical change, 1969-91. Cooperative Extension, College of Agriculture and Home Economics, Washington State University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Smith, Gary W. Spokane County Economy: Dimensions of Growth, Structure, and Cyclical Change, 1969-91. Pullman, Wash.: Cooperative Extension, College of Agriculture and Home Economics, Washington State University, 1994.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Smith, Gary W. Spokane County Economy: Dimensions of Growth, Structure, and Cyclical Change, 1969-91. Cooperative Extension, College of Agriculture and Home Economics, Washington State University, 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.