Beyer, M. (2015). Teach your baby to sign: An illustrated guide to simple sign language for babies and toddlers--includes 30 new pages of signs and illustrations! (Revised and updated, 2nd edition.). Fair Winds Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Beyer, Monica. Teach Your Baby to Sign: An Illustrated Guide to Simple Sign Language for Babies and Toddlers--includes 30 New Pages of Signs and Illustrations! Revised and updated, 2nd edition. Beverly, MA: Fair Winds Press, 2015.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Beyer, Monica. Teach Your Baby to Sign: An Illustrated Guide to Simple Sign Language for Babies and Toddlers--includes 30 New Pages of Signs and Illustrations! Revised and updated, 2nd edition. Fair Winds Press, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.