Brown, R. (1970). Cognitive development in children: Five monographs of the society for research in child development. University of Chicago.
Lua i Stíl Chicago (17ú heag.)Brown, Roger. Cognitive Development in Children: Five Monographs of the Society for Research in Child Development. Chicago: University of Chicago, 1970.
Lua MLA (9ú heag.)Brown, Roger. Cognitive Development in Children: Five Monographs of the Society for Research in Child Development. University of Chicago, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.