Lewis, D. G. (1968). Experimental design in education. University of London P..
Chicagoスタイル(17版)引用形式Lewis, D. G. Experimental Design in Education. London: University of London P., 1968.
MLA(8版)引用形式Lewis, D. G. Experimental Design in Education. University of London P., 1968.
警告: この引用は必ずしも正確ではありません.