Santomero, A. C. (2019). Radical kindness: The life-changing power of giving and receiving (First edition.). Harper Wave, an imprint of HarperCollinsPublishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Santomero, Angela C. Radical Kindness: The Life-changing Power of Giving and Receiving. First edition. New York, NY: Harper Wave, an imprint of HarperCollinsPublishers, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Santomero, Angela C. Radical Kindness: The Life-changing Power of Giving and Receiving. First edition. Harper Wave, an imprint of HarperCollinsPublishers, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.