Butts, R. F. (1963). American education in international development ([1st ed.].). Harper & Row.
芝加哥风格引文Butts, R. Freeman. American Education in International Development. [1st ed.]. New York: Harper & Row, 1963.
MLA引文Butts, R. Freeman. American Education in International Development. [1st ed.]. Harper & Row, 1963.
警告：这些引文格式不一定是100％准确.