APA način citiranja

Roland, J. F., & Newcomb, M. J. (2004). CCSP cisco secure VPN: Exam certification guide. Pearson Education.

Čikaški stil citiranja

Roland, John F., i Mark J. Newcomb. CCSP Cisco Secure VPN: Exam Certification Guide. New Delhi: Pearson Education, 2004.

MLA način citiranja

Roland, John F., i Mark J. Newcomb. CCSP Cisco Secure VPN: Exam Certification Guide. Pearson Education, 2004.