Gaya APA
Doty, L., A., J.Tocci, R. (1991).
Digital Systems Principles and Applications (5 ed).
United States of America:
Prentce Hall Internatonal, Inc.
Gaya MLA
Doty, L., A., J.Tocci, R..
Digital Systems Principles and Applications.
5 ed
United States of America:
Prentce Hall Internatonal, Inc,
1991.
Text.