Boole, G. (1958). Calculus of finite differences(1958) (4th ed.). Chelsea Publishing.
芝加哥风格引文Boole, George. Calculus of Finite Differences(1958). 4th ed. New York: Chelsea Publishing, 1958.
MLA引文Boole, George. Calculus of Finite Differences(1958). 4th ed. Chelsea Publishing, 1958.
警告：这些引文格式不一定是100％准确.