Carson, J. L., & Roberts, J. M. (2013). Ambition, competition, and electoral reform: The politics of congressional elections across time. University of Michigan Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Carson, Jamie L., و Jason M. Roberts. Ambition, Competition, and Electoral Reform: The Politics of Congressional Elections Across Time. Ann Arbor: University of Michigan Press, 2013.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Carson, Jamie L., و Jason M. Roberts. Ambition, Competition, and Electoral Reform: The Politics of Congressional Elections Across Time. University of Michigan Press, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.