Trenton, N. (2021). The overthinking cure: How to stay in the present, shake negativity, and stop your stress and anxiety. PublishDrive.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Trenton, Nick. The Overthinking Cure: How to Stay in the Present, Shake Negativity, and Stop Your Stress and Anxiety. Csorna: PublishDrive, 2021.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Trenton, Nick. The Overthinking Cure: How to Stay in the Present, Shake Negativity, and Stop Your Stress and Anxiety. PublishDrive, 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.