Gaya APA

Brown, Dan. (1998). Digital fortress (Edisi. 1). Yogyakarta: St. Martin's Press.

Gaya Chicago

Brown, Dan. Digital fortress. Edisi. 1 Yogyakarta: St. Martin's Press, 1998. Computer File.

Gaya MLA

Brown, Dan. Digital fortress. Edisi. 1 Yogyakarta: St. Martin's Press, 1998. Computer File.

Gaya Turabian

Brown, Dan. Digital fortress. Edisi. 1 Yogyakarta: St. Martin's Press, 1998. Computer File.