APA استشهاد

Snader,Jon.C. VPNs Illustrated Tunnels,VPNs, & Ipsec. Pearson Education.

استشهاد بنمط شيكاغو

Snader,Jon.C. VPNs Illustrated Tunnels,VPNs, & Ipsec. Delhi: Pearson Education.

MLA استشهاد

Snader,Jon.C. VPNs Illustrated Tunnels,VPNs, & Ipsec. Pearson Education.