Clason, G. S., & Conwell, R. H. (2021). The richest man in Babylon: The complete original edition, with bonus essay "Acres of diamonds" (First St. Martin's Essentials edition.). St. Martin's Essentials.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Clason, George S., و Russell H. Conwell. The Richest Man in Babylon: The Complete Original Edition, with Bonus Essay "Acres of Diamonds". First St. Martin's Essentials edition. New York: St. Martin's Essentials, 2021.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Clason, George S., و Russell H. Conwell. The Richest Man in Babylon: The Complete Original Edition, with Bonus Essay "Acres of Diamonds". First St. Martin's Essentials edition. St. Martin's Essentials, 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.