Gaya APA

Widmer, N, S., Moss, G, L. (2018). DIGITAL SYSTEMS; Principles and Applications (14th (Global Ed.)). New Jersey: PEARSON.

Gaya MLA

Widmer, Neal, S.., Moss, Gregory, L.. "DIGITAL SYSTEMS; Principles and Applications". 14th (Global Ed.) New Jersey: PEARSON, 2018. Text.