Gesell, A. L. (1925). The mental growth of the pre-school child: A psychological outline of normal development from birth to the sixth year, including a system of developmental diagnosis. Macmillan.
Lua i Stíl Chicago (17ú heag.)Gesell, Arnold Lucius. The Mental Growth of the Pre-school Child: A Psychological Outline of Normal Development from Birth to the Sixth Year, Including a System of Developmental Diagnosis. New York: Macmillan, 1925.
Lua MLA (9ú heag.)Gesell, Arnold Lucius. The Mental Growth of the Pre-school Child: A Psychological Outline of Normal Development from Birth to the Sixth Year, Including a System of Developmental Diagnosis. Macmillan, 1925.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.