KENNEDY, P. (1993). Preparing for the twenty-first century. Random House.
芝加哥风格引文KENNEDY, Paul. Preparing for the Twenty-first Century. New York: Random House, 1993.
MLA引文KENNEDY, Paul. Preparing for the Twenty-first Century. Random House, 1993.
警告：这些引文格式不一定是100％准确.