Baby signs : how to talk with your baby before your baby can talk
Linda Acredolo, and Susan Goodwyn
- Updated 3rd ed
- New York McGraw-Hill c2009
- xviii, 183 p. : ill. ; 23 cm
9780071615037
2008042536
Child rearing Infants - Language Interpersonal communication in children Interpersonal communication in infants Nonverbal communication in children Nonverbal communication in infants