Smith, L. M. (1959). Group processes in elementary and secondary schools: Group processes in elementary and secondary schools. Washington D. C.: Department of Classroom Teachers American Educational Research Association of the National Education Association.
Chicago stil citiranjaSmith, Louis M. Group processes in elementary and secondary schools: Group processes in elementary and secondary schools. Washington D. C.: Department of Classroom Teachers American Educational Research Association of the National Education Association, 1959.
MLA stil citiranjaSmith, Louis M. Group processes in elementary and secondary schools: Group processes in elementary and secondary schools. Washington D. C.: Department of Classroom Teachers American Educational Research Association of the National Education Association, 1959.