Brubacher, J. S. (1939). Modern philosophies of education (9th impr.). McGraw-Hill.

Brubacher, John S. Modern Philosophies of Education. 9th impr. New York [u.a.]: McGraw-Hill, 1939.

Brubacher, John S. Modern Philosophies of Education. 9th impr. McGraw-Hill, 1939.