Spalding, J. L. (1903). Means and ends of education (4th ed.). A.C. McClurg.
Chicago-referens (17:e uppl.)Spalding, John Lancaster. Means and Ends of Education. 4th ed. Chicago: A.C. McClurg, 1903.
MLA-referens (8:e uppl.)Spalding, John Lancaster. Means and Ends of Education. 4th ed. A.C. McClurg, 1903.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.