Holmes, C. (2022). Happier hour: How to beat distraction, expand your time, and focus on what matters most (First Gallery Books hardcover edition.). Gallery Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Holmes, Cassie. Happier Hour: How to Beat Distraction, Expand Your Time, and Focus on What Matters Most. First Gallery Books hardcover edition. New York, NY: Gallery Books, 2022.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Holmes, Cassie. Happier Hour: How to Beat Distraction, Expand Your Time, and Focus on What Matters Most. First Gallery Books hardcover edition. Gallery Books, 2022.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.