APA stil citiranja

Butler, F. A. (1939). The improvement of teaching in secondary schools: The improvement of teaching in secondary schools. Chicago: The University of Chicago Press.

Chicago stil citiranja

Butler, Frank A. The improvement of teaching in secondary schools: The improvement of teaching in secondary schools. Chicago: The University of Chicago Press, 1939.

MLA stil citiranja

Butler, Frank A. The improvement of teaching in secondary schools: The improvement of teaching in secondary schools. Chicago: The University of Chicago Press, 1939.