Gaya APA

PC Media Antivirus 7.1. (2012). : PC Media.

Gaya Chicago

PC Media Antivirus 7.1. . : PC Media, 2012. Text.

Gaya MLA

PC Media Antivirus 7.1. . : PC Media, 2012. Text.

Gaya Turabian

PC Media Antivirus 7.1. : PC Media, 2012. Print.