OPPENHEIM, A. V., WILLSKY, A. S., & NAWAB, S. H. (1997). Signals and systems.-- ed.2. Prentice Hall.
芝加哥风格引文OPPENHEIM, Alan V., Alan S. WILLSKY, 与 S Hamid NAWAB. Signals and Systems.-- Ed.2. London: Prentice Hall, 1997.
MLA引文OPPENHEIM, Alan V., et al. Signals and Systems.-- Ed.2. Prentice Hall, 1997.
警告：这些引文格式不一定是100％准确.