Somers, G. G. (1953). Experience under national wage agrreements: The bituminous coal and flint glass industries of West Virginia. Bureau of Business Research, Collete of Commerce, West Virginia University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Somers, Gerald George. Experience Under National Wage Agrreements: The Bituminous Coal and Flint Glass Industries of West Virginia. Morgantown: Bureau of Business Research, Collete of Commerce, West Virginia University, 1953.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Somers, Gerald George. Experience Under National Wage Agrreements: The Bituminous Coal and Flint Glass Industries of West Virginia. Bureau of Business Research, Collete of Commerce, West Virginia University, 1953.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.