Three theories of child development : the contributions of Erik H. Erikson, Jean Piaget, and Robert R. Sears, and their applications /
[by] Henry W. Maier.
- New York : Harper & Row, 1965.
- xvi, 314 p. : ill. ; 22 cm.
Includes bibliographies and index.
Erikson, Erik H. 1902-1994. Piaget, Jean, 1896-1980. Sears, Robert R.