Vanderkam, L. (2017). I know how she does it: How successful women make the most of their time (Paperback edition.). Portfolio/Penguin.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Vanderkam, Laura. I Know How She Does It: How Successful Women Make the Most of Their Time. Paperback edition. New York: Portfolio/Penguin, 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Vanderkam, Laura. I Know How She Does It: How Successful Women Make the Most of Their Time. Paperback edition. Portfolio/Penguin, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.