Bach, D., & Mann, J. D. (2019). The latte factor: Why you don't have to be rich to live rich (First Atria Books hardcover edition.). Atria Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bach, David, و John David Mann. The Latte Factor: Why You Don't Have to Be Rich to Live Rich. First Atria Books hardcover edition. New York, NY: Atria Books, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Bach, David, و John David Mann. The Latte Factor: Why You Don't Have to Be Rich to Live Rich. First Atria Books hardcover edition. Atria Books, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.