Gaya APA

Leach, A, P, M, D, D, P. (1986). Digital Principles and Applications (Ed. 4). New York: Mc.Graw-Hill.

Gaya MLA

Leach, Albert, Paul, Malvino, Dan, Donald, P.. "Digital Principles and Applications". Ed. 4 New York: Mc.Graw-Hill, 1986. Text.