Hechinger, F. M. (1966). Pre-school education today: New approaches to teaching three-, four-, and five-year-olds. Doubleday.
芝加哥风格引文Hechinger, Fred M. Pre-school Education Today: New Approaches to Teaching Three-, Four-, and Five-year-olds. Garden City, N.Y: Doubleday, 1966.
MLA引文Hechinger, Fred M. Pre-school Education Today: New Approaches to Teaching Three-, Four-, and Five-year-olds. Doubleday, 1966.
警告：这些引文格式不一定是100％准确.