Dyfyniad APA

Cheswick, W. &. o. (2006). Firewalls and Internet Scurity - Repelling the Wily Hacker (Sencond Edition.). Pearson.

Dyfyniad Arddull Chicago

Cheswick, William & others. Firewalls and Internet Scurity - Repelling the Wily Hacker. Sencond Edition. New Delhi: Pearson, 2006.

Dyfyniad MLA

Cheswick, William & others. Firewalls and Internet Scurity - Repelling the Wily Hacker. Sencond Edition. Pearson, 2006.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.