Gelles, D. (2025). Dirtbag billionaire: How Yvon Chouinard built Patagonia, made a fortune, and gave it all away (First Simon & Schuster hardcover edition.). Simon & Schuster.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gelles, David. Dirtbag Billionaire: How Yvon Chouinard Built Patagonia, Made a Fortune, and Gave It All Away. First Simon & Schuster hardcover edition. New York: Simon & Schuster, 2025.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Gelles, David. Dirtbag Billionaire: How Yvon Chouinard Built Patagonia, Made a Fortune, and Gave It All Away. First Simon & Schuster hardcover edition. Simon & Schuster, 2025.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.