Three theories of child development : the contributions of Erik H. Erikson, Jean Piaget, and Robert R. Sears, and their applications.
- Rev. ed.
- New York : Harper & Row, 1969.
- ix, 342 p. ports. ; 22 cm.
Includes bibliographies.
Erikson, Erik H. 1902. Piaget, Jean, 1896--. Sears, Robert R.