Axelrod, S. (2020). How babies sleep: The gentle, science-based method to help your baby sleep through the night (First Atria Paperback edition.). Atria Paperback.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Axelrod, Sofia. How Babies Sleep: The Gentle, Science-based Method to Help Your Baby Sleep Through the Night. First Atria Paperback edition. New York: Atria Paperback, 2020.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Axelrod, Sofia. How Babies Sleep: The Gentle, Science-based Method to Help Your Baby Sleep Through the Night. First Atria Paperback edition. Atria Paperback, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.