Lewis, D. G. (1968). Experimental design in education. University of London P..
芝加哥风格引文Lewis, D. G. Experimental Design in Education. London: University of London P., 1968.
MLA引文Lewis, D. G. Experimental Design in Education. University of London P., 1968.
警告：这些引文格式不一定是100％准确.