Gemmill, A. M. (1972). An experimental study at New York State Teachers College at Buffalo to determine a science program for the education of elementary classroom teachers ([Repr. of the ed.] New York: Bureau of Publications, Teachers College, Columbia University 1937.). AMS Press.
Chicago-Zitierstil (17. Ausg.)Gemmill, Anna Murphy. An Experimental Study at New York State Teachers College at Buffalo to Determine a Science Program for the Education of Elementary Classroom Teachers. [Repr. of the ed.] New York: Bureau of Publications, Teachers College, Columbia University 1937. New York: AMS Press, 1972.
MLA-Zitierstil (9. Ausg.)Gemmill, Anna Murphy. An Experimental Study at New York State Teachers College at Buffalo to Determine a Science Program for the Education of Elementary Classroom Teachers. [Repr. of the ed.] New York: Bureau of Publications, Teachers College, Columbia University 1937. AMS Press, 1972.