APA ציטוט

Roland, J. F. (2003). CCSP cisco secure VPN exam certification guide: CCSP self-study. Indianapolis: Cisco Press.

Trích dẫn kiểu Chicago

Roland, John F. CCSP Cisco Secure VPN Exam Certification Guide: CCSP Self-study. Indianapolis: Cisco Press, 2003.

ציטוט MLA

Roland, John F. CCSP Cisco Secure VPN Exam Certification Guide: CCSP Self-study. Indianapolis: Cisco Press, 2003.