Barnett, G. W. (2008). Are you dumb enough to be rich?: The amazingly simple way to make millions in real estate (2nd ed.). AMACOM, American Management Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Barnett, G. William. Are You Dumb Enough to Be Rich?: The Amazingly Simple Way to Make Millions in Real Estate. 2nd ed. New York: AMACOM, American Management Association, 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Barnett, G. William. Are You Dumb Enough to Be Rich?: The Amazingly Simple Way to Make Millions in Real Estate. 2nd ed. AMACOM, American Management Association, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.