Lee, J. M. (1950). The child in his curriculum (2nd ed.). Appleton-Century-Crofts.
Chicago-referens (17:e uppl.)Lee, Jonathan Murray. The Child in His Curriculum. 2nd ed. New York: Appleton-Century-Crofts, 1950.
MLA-referens (9:e uppl.)Lee, Jonathan Murray. The Child in His Curriculum. 2nd ed. Appleton-Century-Crofts, 1950.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.