Gaya APA

Tocci, R, J., Widmer, N, S. (1991). DIGITAL SYSTEMS Principles and Applications (6). united states of AMERICA: Prentice-Hall, Inc..

Gaya MLA

Tocci, Ronald, J.., Widmer, Neal, S.. "DIGITAL SYSTEMS Principles and Applications". 6 united states of AMERICA: Prentice-Hall, Inc., 1991. Text Book Elektro.