It takes two to talk : a practical guide for parents of children with language delays /

• 作者：Jan Pepper, Elaine Weitzman ; based on the third edition by Ayala Hanen Manolson.
• 出版者：The Hanen Centre
• 出版地：Toronto, Ont. :
• 語文：英語
• ISBN/ISSN/ISRC：9780921145196 : ; 0921145195
• 作者：Pepper, Jan,;Weitzman, Elaine;Manolson, Ayala H.
• 索書號：649/.68