Gaya APA
Sihombing, B.
(2012).
Trik Mudah Menangkal Hacker Cracker dan Virus
.
Yogyakarta:
Aulya Publishing.
Gaya MLA
Sihombing, Bram.
"Trik Mudah Menangkal Hacker Cracker dan Virus".
Yogyakarta:
Aulya Publishing,
2012.
.