Mettler, S., & Wilkinson, T. (2014). Degrees of inequality: How the politics of higher education sabotaged the American dream. Basic Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mettler, Suzanne, و Trish Wilkinson. Degrees of Inequality: How the Politics of Higher Education Sabotaged the American Dream. New York: Basic Books, 2014.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Mettler, Suzanne, و Trish Wilkinson. Degrees of Inequality: How the Politics of Higher Education Sabotaged the American Dream. Basic Books, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.