Friedman, S. (2007). Dilemmas of representation: Local politics, national factors, and the home styles of modern U.S. Congress members. State University of New York Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Friedman, Sally. Dilemmas of Representation: Local Politics, National Factors, and the Home Styles of Modern U.S. Congress Members. Albany: State University of New York Press, 2007.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Friedman, Sally. Dilemmas of Representation: Local Politics, National Factors, and the Home Styles of Modern U.S. Congress Members. State University of New York Press, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.