Infant and toddler development and responsive program planning : a relationship-based approach /
Donna S. Wittmer, University of Colorado Denver, Sandra H. Petersen, Zero To Three, the National Center for Infants, Toddlers, and Families.
- Fourth edition.
- xxi, 556 pages : color illustrations ; 26 cm
Includes bibliographical references (pages 517-556) and index.