Gupta, S. (2025). It doesn't have to hurt: Your smart guide to a pain-free life (First Simon & Schuster hardcover edition.). Simon & Schuster.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gupta, Sanjay. It Doesn't Have to Hurt: Your Smart Guide to a Pain-free Life. First Simon & Schuster hardcover edition. New York: Simon & Schuster, 2025.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Gupta, Sanjay. It Doesn't Have to Hurt: Your Smart Guide to a Pain-free Life. First Simon & Schuster hardcover edition. Simon & Schuster, 2025.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.