| GMD | Text |
| Language | Eng |
| Classification | 155.422 S29 |
| Publisher | New York, Macmillan, c1978 |
| Edition | 2nd ed. |
| Subject | Child Development -- Collected Works.Child Psychology -- Collected Works.Infant psychology. |
| Topic | Psychology |
| Description | xvi, 347 p. : ill. ; 24 cm. |
| ISBN | 9780024119709 |