Oster, E. (2019). Cribsheet: A data-driven guide to better, more relaxed parenting, from birth to preschool. Penguin Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Oster, Emily. Cribsheet: A Data-driven Guide to Better, More Relaxed Parenting, from Birth to Preschool. New York: Penguin Press, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Oster, Emily. Cribsheet: A Data-driven Guide to Better, More Relaxed Parenting, from Birth to Preschool. Penguin Press, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.