Roberts, J. A. (2011). Shiny objects: Why we spend money we don't have in search of happiness we can't buy. HarperOne.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Roberts, James A. Shiny Objects: Why We Spend Money We Don't Have in Search of Happiness We Can't Buy. New York: HarperOne, 2011.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Roberts, James A. Shiny Objects: Why We Spend Money We Don't Have in Search of Happiness We Can't Buy. HarperOne, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.