TY  - BOOK
AU  - Ryan,Diane
TI  - The complete idiot’s guide to baby sign language
SN  - 1592578624
PY  - 2009///
CY  - Indianapolis, IN
PB  - Alpha Books
KW  - Nonverbal communication in infants
KW  - Interpersonal communication in infants
KW  - Sign language
N1  - Includes bibliographical references (p. 243-244)
ER  -