Gesell, A., Amatruda, C. S., Knobloch, H., & Pasamanick, B. (1975). Gesell and Amatruda's Developmental diagnosis: The evaluation and management of normal and abnormal neuropsychologic development in infancy and early childhood (3rd edition, revised and enlarged.). Medical Department, Harper & Row.

Gesell, Arnold, Catherine Strunk Amatruda, Hilda Knobloch, and Benjamin Pasamanick. Gesell and Amatruda's Developmental Diagnosis: The Evaluation and Management of Normal and Abnormal Neuropsychologic Development in Infancy and Early Childhood. 3rd edition, revised and enlarged. Hagerstown, Md: Medical Department, Harper & Row, 1975.

Gesell, Arnold, et al. Gesell and Amatruda's Developmental Diagnosis: The Evaluation and Management of Normal and Abnormal Neuropsychologic Development in Infancy and Early Childhood. 3rd edition, revised and enlarged. Medical Department, Harper & Row, 1975.