Knight, S. (2015). The life-changing magic of not giving a f*ck: How to stop spending time you don't have with people you don't like doing things you don't want to do.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Knight, Sarah. The Life-changing Magic of Not Giving a F*ck: How to Stop Spending Time You Don't Have with People You Don't like Doing Things You Don't Want to Do. 2015.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Knight, Sarah. The Life-changing Magic of Not Giving a F*ck: How to Stop Spending Time You Don't Have with People You Don't like Doing Things You Don't Want to Do. 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.