Harris, D. (2019). 10% happier: How i tamed the voice in my head, reduced stress without losing my edge, and found self-help that actually works—a true story (Revised.).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Harris, Dan. 10% Happier: How I Tamed the Voice in My Head, Reduced Stress Without Losing My Edge, and Found Self-help That Actually Works—a True Story. Revised. 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Harris, Dan. 10% Happier: How I Tamed the Voice in My Head, Reduced Stress Without Losing My Edge, and Found Self-help That Actually Works—a True Story. Revised. 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.