Barnes, S. L. (2005). The cost of being poor: A comparative study of life in poor urban neighborhoods in Gary, Indiana. State University of New York Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Barnes, Sandra L. The Cost of Being Poor: A Comparative Study of Life in Poor Urban Neighborhoods in Gary, Indiana. Albany: State University of New York Press, 2005.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Barnes, Sandra L. The Cost of Being Poor: A Comparative Study of Life in Poor Urban Neighborhoods in Gary, Indiana. State University of New York Press, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.