TOCCI, R. J., & WIDMER, N. S. (1998). Digital systems: Principles and applications.-- ed.7. Prentice Hall.
芝加哥风格引文TOCCI, Ronald J., 与 Neal S. WIDMER. Digital Systems: Principles and Applications.-- Ed.7. London: Prentice Hall, 1998.
MLA引文TOCCI, Ronald J., 与 Neal S. WIDMER. Digital Systems: Principles and Applications.-- Ed.7. Prentice Hall, 1998.
警告：这些引文格式不一定是100％准确.