Lillard, P. P. (1972). Montessori, a modern approach. Schocken Books.
芝加哥风格引文Lillard, Paula Polk. Montessori, a Modern Approach. New York: Schocken Books, 1972.
MLA引文Lillard, Paula Polk. Montessori, a Modern Approach. Schocken Books, 1972.
警告：这些引文格式不一定是100％准确.