University of Illinois (Urbana-Champaign campus). Bureau of Educational Research, National Association of Directors of Educational Research (U.S.), Educational Research Association (U.S.), & American Educational Research Association. (1920). The journal of educational research. Published for the University of Illinois, Bureau of Educational Research by the Public School Publ. Co.
Chicago-tyylinen lähdeviittausUniversity of Illinois (Urbana-Champaign campus). Bureau of Educational Research, National Association of Directors of Educational Research (U.S.), Educational Research Association (U.S.), ja American Educational Research Association. The Journal of Educational Research. Bloomington Ill.: Published for the University of Illinois, Bureau of Educational Research by the Public School Publ. Co, 1920.
MLA-viiteUniversity of Illinois (Urbana-Champaign campus). Bureau of Educational Research, et al. The Journal of Educational Research. Published for the University of Illinois, Bureau of Educational Research by the Public School Publ. Co, 1920.
Harvard-tyylinen lähdeviittausUniversity of Illinois (Urbana-Champaign campus). Bureau of Educational Research, National Association of Directors of Educational Research (U.S.), Educational Research Association (U.S.) & American Educational Research Association. 1920. The journal of educational research. Bloomington Ill.: Published for the University of Illinois, Bureau of Educational Research by the Public School Publ. Co.
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