Gaya APA
Tocci, R, J., L, I, W, N, S, I, M, G. (2011).
Digital systems: principles and applications .
New Jersey:
.
Gaya MLA
Tocci, Ronald, J., L, I., Widmer,, Neal, S, II., Moss,, Gregory.
"Digital systems: principles and applications".
New Jersey:
,
2011.
.