APA-viite (7. p.)

Tocci, R. J., & Widmer, N. S. (2000). Digital systems: Principles and applications (7th ed.). Prentice Hall.

Chicago-viite (17. p.)

Tocci, Ronald J., ja Neal S. Widmer. Digital Systems: Principles and Applications. 7th ed. Upper Saddle River, N.J.: Prentice Hall, 2000.

MLA-viite (8. p.)

Tocci, Ronald J., ja Neal S. Widmer. Digital Systems: Principles and Applications. 7th ed. Prentice Hall, 2000.